64476812 has 12 divisors (see below), whose sum is σ = 114380616. Its totient is φ = 31796640.

The previous prime is 64476799. The next prime is 64476821. The reversal of 64476812 is 21867446.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110114 + ... + 110697.

It is an arithmetic number, because the mean of its divisors is an integer number (9531718).

Almost surely, 2^64476812 is an apocalyptic number.

It is an amenable number.

64476812 is a deficient number, since it is larger than the sum of its proper divisors (49903804).

64476812 is a wasteful number, since it uses less digits than its factorization.

64476812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220888 (or 220886 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 64476812 is about 8029.7454505109. The cubic root of 64476812 is about 400.9909015914.

The spelling of 64476812 in words is "sixty-four million, four hundred seventy-six thousand, eight hundred twelve".