63788004 has 54 divisors (see below), whose sum is σ = 187572294. Its totient is φ = 18224640.

The previous prime is 63787981. The next prime is 63788047. The reversal of 63788004 is 40088736.

It can be written as a sum of positive squares in only one way, i.e., 60372900 + 3415104 = 7770^2 + 1848^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 63788004.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16317 + ... + 19844.

It is an arithmetic number, because the mean of its divisors is an integer number (3473561).

Almost surely, 2^63788004 is an apocalyptic number.

It is an amenable number.

63788004 is an abundant number, since it is smaller than the sum of its proper divisors (123784290).

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

63788004 is a wasteful number, since it uses less digits than its factorization.

63788004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36185 (or 36173 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 63788004 is about 7986.7392595477. The cubic root of 63788004 is about 399.5578531121.

The spelling of 63788004 in words is "sixty-three million, seven hundred eighty-eight thousand, four".