72552370 has 32 divisors (see below), whose sum is σ = 145950336. Its totient is φ = 25737600.

The previous prime is 72552353. The next prime is 72552377. The reversal of 72552370 is 7325527.

It is not an unprimeable number, because it can be changed into a prime (72552377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3534 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (4560948).

Almost surely, 2^72552370 is an apocalyptic number.

72552370 is an abundant number, since it is smaller than the sum of its proper divisors (73397966).

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

72552370 is a wasteful number, since it uses less digits than its factorization.

72552370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 72552370 is about 8517.7679001015. The cubic root of 72552370 is about 417.0779221297.

Adding to 72552370 its reverse (7325527), we get a palindrome (79877897).

The spelling of 72552370 in words is "seventy-two million, five hundred fifty-two thousand, three hundred seventy".