64434904 has 16 divisors (see below), whose sum is σ = 120949920. Its totient is φ = 32181600.

The previous prime is 64434893. The next prime is 64434911. The reversal of 64434904 is 40943446.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64434904.

It is a congruent number.

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, 4129 + ... + 12079.

It is an arithmetic number, because the mean of its divisors is an integer number (7559370).

Almost surely, 2^64434904 is an apocalyptic number.

It is an amenable number.

64434904 is a deficient number, since it is larger than the sum of its proper divisors (56515016).

64434904 is a wasteful number, since it uses less digits than its factorization.

64434904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8970 (or 8966 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 64434904 is about 8027.1354791108. The cubic root of 64434904 is about 400.9040053965.

The spelling of 64434904 in words is "sixty-four million, four hundred thirty-four thousand, nine hundred four".