63725904 has 60 divisors (see below), whose sum is σ = 194561952. Its totient is φ = 19310400.

The previous prime is 63725899. The next prime is 63725917. The reversal of 63725904 is 40952736.

63725904 is a `hidden beast` number, since 63 + 7 + 2 + 590 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18532 + ... + 21699.

Almost surely, 2^63725904 is an apocalyptic number.

It is an amenable number.

63725904 is an abundant number, since it is smaller than the sum of its proper divisors (130836048).

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

63725904 is a wasteful number, since it uses less digits than its factorization.

63725904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40256 (or 40247 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 63725904 is about 7982.8506186700. The cubic root of 63725904 is about 399.4281495238.

The spelling of 63725904 in words is "sixty-three million, seven hundred twenty-five thousand, nine hundred four".