63718472 has 16 divisors (see below), whose sum is σ = 119971500. Its totient is φ = 31726080.

The previous prime is 63718463. The next prime is 63718483. The reversal of 63718472 is 27481736.

It can be written as a sum of positive squares in 2 ways, for example, as 60310756 + 3407716 = 7766^2 + 1846^2 .

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, 14597 + ... + 18452.

Almost surely, 2^63718472 is an apocalyptic number.

It is an amenable number.

63718472 is a deficient number, since it is larger than the sum of its proper divisors (56253028).

63718472 is a wasteful number, since it uses less digits than its factorization.

63718472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33296 (or 33292 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 63718472 is about 7982.3851072220. The cubic root of 63718472 is about 399.4126212210.

The spelling of 63718472 in words is "sixty-three million, seven hundred eighteen thousand, four hundred seventy-two".