63642512 has 20 divisors (see below), whose sum is σ = 125932416. Its totient is φ = 31143840.

The previous prime is 63642511. The next prime is 63642517. The reversal of 63642512 is 21524636.

63642512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63642511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41564 + ... + 43067.

Almost surely, 2^63642512 is an apocalyptic number.

It is an amenable number.

63642512 is a deficient number, since it is larger than the sum of its proper divisors (62289904).

63642512 is a wasteful number, since it uses less digits than its factorization.

63642512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84686 (or 84680 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 63642512 is about 7977.6257119521. The cubic root of 63642512 is about 399.2538423206.

The spelling of 63642512 in words is "sixty-three million, six hundred forty-two thousand, five hundred twelve".