64864504 has 16 divisors (see below), whose sum is σ = 121878000. Its totient is φ = 32363712.

The previous prime is 64864477. The next prime is 64864507. The reversal of 64864504 is 40546846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64864507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4429 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (7617375).

Almost surely, 2^64864504 is an apocalyptic number.

It is an amenable number.

64864504 is a deficient number, since it is larger than the sum of its proper divisors (57013496).

64864504 is a wasteful number, since it uses less digits than its factorization.

64864504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17142 (or 17138 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 64864504 is about 8053.8502593480. The cubic root of 64864504 is about 401.7930008610.

The spelling of 64864504 in words is "sixty-four million, eight hundred sixty-four thousand, five hundred four".