63390504 has 32 divisors (see below), whose sum is σ = 160712640. Its totient is φ = 20832000.

The previous prime is 63390493. The next prime is 63390511. The reversal of 63390504 is 40509336.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 16897 + ... + 20304.

It is an arithmetic number, because the mean of its divisors is an integer number (5022270).

Almost surely, 2^63390504 is an apocalyptic number.

It is an amenable number.

63390504 is an abundant number, since it is smaller than the sum of its proper divisors (97322136).

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

63390504 is a wasteful number, since it uses less digits than its factorization.

63390504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37281 (or 37277 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 63390504 is about 7961.8153708812. The cubic root of 63390504 is about 398.7261643296.

The spelling of 63390504 in words is "sixty-three million, three hundred ninety thousand, five hundred four".