64606604 has 12 divisors (see below), whose sum is σ = 116708928. Its totient is φ = 31261200.

The previous prime is 64606603. The next prime is 64606621. The reversal of 64606604 is 40660646.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64606601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260387 + ... + 260634.

It is an arithmetic number, because the mean of its divisors is an integer number (9725744).

Almost surely, 2^64606604 is an apocalyptic number.

It is an amenable number.

64606604 is a deficient number, since it is larger than the sum of its proper divisors (52102324).

64606604 is a wasteful number, since it uses less digits than its factorization.

64606604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521056 (or 521054 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 64606604 is about 8037.8233371977. The cubic root of 64606604 is about 401.2597865129.

The spelling of 64606604 in words is "sixty-four million, six hundred six thousand, six hundred four".