672522 has 8 divisors (see below), whose sum is σ = 1345056. Its totient is φ = 224172.

The previous prime is 672521. The next prime is 672557. The reversal of 672522 is 225276.

It is a sphenic number, since it is the product of 3 distinct primes.

672522 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 672492 and 672501.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672522.

It is not an unprimeable number, because it can be changed into a prime (672521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56038 + ... + 56049.

It is an arithmetic number, because the mean of its divisors is an integer number (168132).

2⁶⁷²⁵²² is an apocalyptic number.

672522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672522 is a wasteful number, since it uses less digits than its factorization.

672522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112092.

The product of its digits is 1680, while the sum is 24.

The square root of 672522 is about 820.0743868699. The cubic root of 672522 is about 87.6130565806.

Adding to 672522 its reverse (225276), we get a palindrome (897798).

The spelling of 672522 in words is "six hundred seventy-two thousand, five hundred twenty-two".