64957012 has 24 divisors (see below), whose sum is σ = 116284896. Its totient is φ = 31737888.

The previous prime is 64957003. The next prime is 64957019. The reversal of 64957012 is 21075946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64957019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73123 + ... + 74005.

It is an arithmetic number, because the mean of its divisors is an integer number (4845204).

Almost surely, 2^64957012 is an apocalyptic number.

It is an amenable number.

64957012 is a deficient number, since it is larger than the sum of its proper divisors (51327884).

64957012 is a wasteful number, since it uses less digits than its factorization.

64957012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 64957012 is about 8059.5913047747. The cubic root of 64957012 is about 401.9839188967.

The spelling of 64957012 in words is "sixty-four million, nine hundred fifty-seven thousand, twelve".