64793568 has 48 divisors (see below), whose sum is σ = 194382720. Its totient is φ = 18512256.

The previous prime is 64793563. The next prime is 64793593. The reversal of 64793568 is 86539746.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64793563) 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, 47538 + ... + 48881.

It is an arithmetic number, because the mean of its divisors is an integer number (4049640).

Almost surely, 2^64793568 is an apocalyptic number.

It is an amenable number.

64793568 is an abundant number, since it is smaller than the sum of its proper divisors (129589152).

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

64793568 is a wasteful number, since it uses less digits than its factorization.

64793568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96439 (or 96431 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 64793568 is about 8049.4451982730. The cubic root of 64793568 is about 401.6464801258.

The spelling of 64793568 in words is "sixty-four million, seven hundred ninety-three thousand, five hundred sixty-eight".