64044904 has 32 divisors (see below), whose sum is σ = 149716800. Its totient is φ = 24952320.

The previous prime is 64044889. The next prime is 64044907. The reversal of 64044904 is 40944046.

It is not an unprimeable number, because it can be changed into a prime (64044907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51369 + ... + 52600.

It is an arithmetic number, because the mean of its divisors is an integer number (4678650).

Almost surely, 2^64044904 is an apocalyptic number.

It is an amenable number.

64044904 is an abundant number, since it is smaller than the sum of its proper divisors (85671896).

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

64044904 is a wasteful number, since it uses less digits than its factorization.

64044904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103993 (or 103989 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 64044904 is about 8002.8060078950. The cubic root of 64044904 is about 400.0935281295.

The spelling of 64044904 in words is "sixty-four million, forty-four thousand, nine hundred four".