64576716 has 24 divisors (see below), whose sum is σ = 150823680. Its totient is φ = 21504912.

The previous prime is 64576711. The next prime is 64576717. The reversal of 64576716 is 61767546.

It is not an unprimeable number, because it can be changed into a prime (64576711) 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, 15505 + ... + 19223.

It is an arithmetic number, because the mean of its divisors is an integer number (6284320).

Almost surely, 2^64576716 is an apocalyptic number.

It is an amenable number.

64576716 is an abundant number, since it is smaller than the sum of its proper divisors (86246964).

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

64576716 is a wasteful number, since it uses less digits than its factorization.

64576716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173 (or 5171 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 64576716 is about 8035.9639123132. The cubic root of 64576716 is about 401.1979006705.

The spelling of 64576716 in words is "sixty-four million, five hundred seventy-six thousand, seven hundred sixteen".