63812964 has 24 divisors (see below), whose sum is σ = 149849728. Its totient is φ = 21134880.

The previous prime is 63812899. The next prime is 63812977. The reversal of 63812964 is 46921836.

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, 15052 + ... + 18819.

Almost surely, 2^63812964 is an apocalyptic number.

It is an amenable number.

63812964 is an abundant number, since it is smaller than the sum of its proper divisors (86036764).

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

63812964 is a wasteful number, since it uses less digits than its factorization.

63812964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34035 (or 34033 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 63812964 is about 7988.3016968565. The cubic root of 63812964 is about 399.6099614651.

The spelling of 63812964 in words is "sixty-three million, eight hundred twelve thousand, nine hundred sixty-four".