64636068 has 48 divisors (see below), whose sum is σ = 173035520. Its totient is φ = 18395424.

The previous prime is 64636031. The next prime is 64636073. The reversal of 64636068 is 86063646.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22413 + ... + 25131.

Almost surely, 2^64636068 is an apocalyptic number.

It is an amenable number.

64636068 is an abundant number, since it is smaller than the sum of its proper divisors (108399452).

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

64636068 is a wasteful number, since it uses less digits than its factorization.

64636068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 64636068 is about 8039.6559627885. The cubic root of 64636068 is about 401.3207757452.

The spelling of 64636068 in words is "sixty-four million, six hundred thirty-six thousand, sixty-eight".