64304872 has 16 divisors (see below), whose sum is σ = 125814240. Its totient is φ = 30754416.

The previous prime is 64304843. The next prime is 64304893. The reversal of 64304872 is 27840346.

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, 174558 + ... + 174925.

It is an arithmetic number, because the mean of its divisors is an integer number (7863390).

Almost surely, 2^64304872 is an apocalyptic number.

It is an amenable number.

64304872 is a deficient number, since it is larger than the sum of its proper divisors (61509368).

64304872 is a wasteful number, since it uses less digits than its factorization.

64304872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349512 (or 349508 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 64304872 is about 8019.0318617649. The cubic root of 64304872 is about 400.6341441218.

The spelling of 64304872 in words is "sixty-four million, three hundred four thousand, eight hundred seventy-two".