64564412 has 24 divisors (see below), whose sum is σ = 124954032. Its totient is φ = 28944000.

The previous prime is 64564403. The next prime is 64564447. The reversal of 64564412 is 21446546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839 + ... + 13262.

It is an arithmetic number, because the mean of its divisors is an integer number (5206418).

Almost surely, 2^64564412 is an apocalyptic number.

It is an amenable number.

64564412 is a deficient number, since it is larger than the sum of its proper divisors (60389620).

64564412 is a wasteful number, since it uses less digits than its factorization.

64564412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20189 (or 20187 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 64564412 is about 8035.1983174032. The cubic root of 64564412 is about 401.1724185627.

The spelling of 64564412 in words is "sixty-four million, five hundred sixty-four thousand, four hundred twelve".