63788972 has 12 divisors (see below), whose sum is σ = 120217776. Its totient is φ = 29441040.

The previous prime is 63788957. The next prime is 63788983. The reversal of 63788972 is 27988736.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 63788972.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613304 + ... + 613407.

It is an arithmetic number, because the mean of its divisors is an integer number (10018148).

Almost surely, 2^63788972 is an apocalyptic number.

It is an amenable number.

63788972 is a deficient number, since it is larger than the sum of its proper divisors (56428804).

63788972 is a wasteful number, since it uses less digits than its factorization.

63788972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226728 (or 1226726 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 63788972 is about 7986.7998597686. The cubic root of 63788972 is about 399.5598742342.

The spelling of 63788972 in words is "sixty-three million, seven hundred eighty-eight thousand, nine hundred seventy-two".