64452812 has 6 divisors (see below), whose sum is σ = 112792428. Its totient is φ = 32226404.

The previous prime is 64452809. The next prime is 64452851. The reversal of 64452812 is 21825446.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8056598 + ... + 8056605.

It is an arithmetic number, because the mean of its divisors is an integer number (18798738).

Almost surely, 2^64452812 is an apocalyptic number.

It is an amenable number.

64452812 is a deficient number, since it is larger than the sum of its proper divisors (48339616).

64452812 is a wasteful number, since it uses less digits than its factorization.

64452812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16113207 (or 16113205 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 64452812 is about 8028.2508680285. The cubic root of 64452812 is about 400.9411422249.

The spelling of 64452812 in words is "sixty-four million, four hundred fifty-two thousand, eight hundred twelve".