63630564 has 24 divisors (see below), whose sum is σ = 150907008. Its totient is φ = 20862240.

The previous prime is 63630559. The next prime is 63630571. The reversal of 63630564 is 46503636.

It is a happy 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, 42732 + ... + 44195.

It is an arithmetic number, because the mean of its divisors is an integer number (6287792).

Almost surely, 2^63630564 is an apocalyptic number.

It is an amenable number.

63630564 is an abundant number, since it is smaller than the sum of its proper divisors (87276444).

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

63630564 is a wasteful number, since it uses less digits than its factorization.

63630564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86995 (or 86993 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 63630564 is about 7976.8768324451. The cubic root of 63630564 is about 399.2288559642.

The spelling of 63630564 in words is "sixty-three million, six hundred thirty thousand, five hundred sixty-four".