64993064 has 32 divisors (see below), whose sum is σ = 123765600. Its totient is φ = 31993920.

The previous prime is 64993039. The next prime is 64993087. The reversal of 64993064 is 46039946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234494 + ... + 234770.

It is an arithmetic number, because the mean of its divisors is an integer number (3867675).

Almost surely, 2^64993064 is an apocalyptic number.

It is an amenable number.

64993064 is a deficient number, since it is larger than the sum of its proper divisors (58772536).

64993064 is a wasteful number, since it uses less digits than its factorization.

64993064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 64993064 is about 8061.8275843632. The cubic root of 64993064 is about 402.0582739379.

The spelling of 64993064 in words is "sixty-four million, nine hundred ninety-three thousand, sixty-four".