64032264 has 24 divisors (see below), whose sum is σ = 173420910. Its totient is φ = 21344064.

The previous prime is 64032263. The next prime is 64032271. The reversal of 64032264 is 46223046.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 4588164 = 7710^2 + 2142^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (64032263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444597 + ... + 444740.

Almost surely, 2^64032264 is an apocalyptic number.

It is an amenable number.

64032264 is an abundant number, since it is smaller than the sum of its proper divisors (109388646).

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

64032264 is a wasteful number, since it uses less digits than its factorization.

64032264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889349 (or 889342 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 64032264 is about 8002.0162459220. The cubic root of 64032264 is about 400.0672053746.

The spelling of 64032264 in words is "sixty-four million, thirty-two thousand, two hundred sixty-four".