64013704 has 16 divisors (see below), whose sum is σ = 127086300. Its totient is φ = 30124032.

The previous prime is 64013693. The next prime is 64013749. The reversal of 64013704 is 40731046.

It can be written as a sum of positive squares in 2 ways, for example, as 63520900 + 492804 = 7970^2 + 702^2 .

It is an unprimeable number.

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, 235209 + ... + 235480.

Almost surely, 2^64013704 is an apocalyptic number.

It is an amenable number.

64013704 is a deficient number, since it is larger than the sum of its proper divisors (63072596).

64013704 is a wasteful number, since it uses less digits than its factorization.

64013704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470712 (or 470708 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 64013704 is about 8000.8564541554. The cubic root of 64013704 is about 400.0285479625.

The spelling of 64013704 in words is "sixty-four million, thirteen thousand, seven hundred four".