647062 has 16 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 290880.

The previous prime is 647057. The next prime is 647069. The reversal of 647062 is 260746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647069) by changing a digit.

647062 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 763 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2⁶⁴⁷⁰⁶² is an apocalyptic number.

647062 is a deficient number, since it is larger than the sum of its proper divisors (425450).

647062 is a wasteful number, since it uses less digits than its factorization.

647062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 647062 is about 804.4016409730. The cubic root of 647062 is about 86.4932000401.

The spelling of 647062 in words is "six hundred forty-seven thousand, sixty-two".