64785604 has 12 divisors (see below), whose sum is σ = 122096044. Its totient is φ = 29901024.

The previous prime is 64785601. The next prime is 64785619. The reversal of 64785604 is 40658746.

64785604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12945604 + 51840000 = 3598^2 + 7200^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64785601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622887 + ... + 622990.

Almost surely, 2^64785604 is an apocalyptic number.

It is an amenable number.

64785604 is a deficient number, since it is larger than the sum of its proper divisors (57310440).

64785604 is a wasteful number, since it uses less digits than its factorization.

64785604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245894 (or 1245892 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 64785604 is about 8048.9504905919. The cubic root of 64785604 is about 401.6300235354.

The spelling of 64785604 in words is "sixty-four million, seven hundred eighty-five thousand, six hundred four".