63120764 has 24 divisors (see below), whose sum is σ = 127975008. Its totient is φ = 26680320.

The previous prime is 63120731. The next prime is 63120781. The reversal of 63120764 is 46702136.

It is a congruent number.

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, 13397 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (5332292).

Almost surely, 2^63120764 is an apocalyptic number.

It is an amenable number.

63120764 is an abundant number, since it is smaller than the sum of its proper divisors (64854244).

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

63120764 is a wasteful number, since it uses less digits than its factorization.

63120764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30965 (or 30963 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 63120764 is about 7944.8577079769. The cubic root of 63120764 is about 398.1598055263.

The spelling of 63120764 in words is "sixty-three million, one hundred twenty thousand, seven hundred sixty-four".