64625562 has 12 divisors (see below), whose sum is σ = 140022090. Its totient is φ = 21541848.

The previous prime is 64625537. The next prime is 64625563. The reversal of 64625562 is 26552646.

64625562 is a `hidden beast` number, since 646 + 2 + 5 + 5 + 6 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53275401 + 11350161 = 7299^2 + 3369^2 .

It is not an unprimeable number, because it can be changed into a prime (64625563) 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, 1795137 + ... + 1795172.

Almost surely, 2^64625562 is an apocalyptic number.

64625562 is an abundant number, since it is smaller than the sum of its proper divisors (75396528).

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

64625562 is a wasteful number, since it uses less digits than its factorization.

64625562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590317 (or 3590314 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 64625562 is about 8039.0025500680. The cubic root of 64625562 is about 401.2990308966.

The spelling of 64625562 in words is "sixty-four million, six hundred twenty-five thousand, five hundred sixty-two".