64901604 has 12 divisors (see below), whose sum is σ = 151437104. Its totient is φ = 21633864.

The previous prime is 64901579. The next prime is 64901651. The reversal of 64901604 is 40610946.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704222 + ... + 2704245.

Almost surely, 2^64901604 is an apocalyptic number.

It is an amenable number.

64901604 is an abundant number, since it is smaller than the sum of its proper divisors (86535500).

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

64901604 is a wasteful number, since it uses less digits than its factorization.

64901604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408474 (or 5408472 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 64901604 is about 8056.1531762995. The cubic root of 64901604 is about 401.8695896388.

The spelling of 64901604 in words is "sixty-four million, nine hundred one thousand, six hundred four".