63748812 has 24 divisors (see below), whose sum is σ = 148878576. Its totient is φ = 21230848.

The previous prime is 63748807. The next prime is 63748829. The reversal of 63748812 is 21884736.

It is a super-2 number, since 2×63748812² = 8127822062822688, which contains 22 as substring.

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, 21568 + ... + 24344.

It is an arithmetic number, because the mean of its divisors is an integer number (6203274).

Almost surely, 2^63748812 is an apocalyptic number.

It is an amenable number.

63748812 is an abundant number, since it is smaller than the sum of its proper divisors (85129764).

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

63748812 is a wasteful number, since it uses less digits than its factorization.

63748812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697 (or 4695 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 63748812 is about 7984.2853155433. The cubic root of 63748812 is about 399.4760055409.

The spelling of 63748812 in words is "sixty-three million, seven hundred forty-eight thousand, eight hundred twelve".