64790912 has 32 divisors (see below), whose sum is σ = 135874200. Its totient is φ = 30689280.

The previous prime is 64790911. The next prime is 64790939. The reversal of 64790912 is 21909746.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64790911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10889 + ... + 15752.

Almost surely, 2^64790912 is an apocalyptic number.

It is an amenable number.

64790912 is an abundant number, since it is smaller than the sum of its proper divisors (71083288).

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

64790912 is a wasteful number, since it uses less digits than its factorization.

64790912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26674 (or 26662 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 64790912 is about 8049.2802162678. The cubic root of 64790912 is about 401.6409919904.

The spelling of 64790912 in words is "sixty-four million, seven hundred ninety thousand, nine hundred twelve".