64792512 has 84 divisors (see below), whose sum is σ = 186985656. Its totient is φ = 21450240.

The previous prime is 64792477. The next prime is 64792517. The reversal of 64792512 is 21529746.

64792512 is a `hidden beast` number, since 647 + 9 + 2 + 5 + 1 + 2 = 666.

It is a super-2 number, since 2×64792512² = 8396139222540288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64792517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113187 + ... + 113757.

Almost surely, 2^64792512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64792512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93492828).

64792512 is an abundant number, since it is smaller than the sum of its proper divisors (122193144).

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

64792512 is a wasteful number, since it uses less digits than its factorization.

64792512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 773 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 64792512 is about 8049.3796034229. The cubic root of 64792512 is about 401.6442981140.

The spelling of 64792512 in words is "sixty-four million, seven hundred ninety-two thousand, five hundred twelve".