63974172 has 24 divisors (see below), whose sum is σ = 151804800. Its totient is φ = 20963056.

The previous prime is 63974167. The next prime is 63974219. The reversal of 63974172 is 27147936.

It is a self number, because there is not a number n which added to its sum of digits gives 63974172.

It is a congruent number.

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, 44472 + ... + 45887.

It is an arithmetic number, because the mean of its divisors is an integer number (6325200).

Almost surely, 2^63974172 is an apocalyptic number.

It is an amenable number.

63974172 is an abundant number, since it is smaller than the sum of its proper divisors (87830628).

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

63974172 is a wasteful number, since it uses less digits than its factorization.

63974172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90425 (or 90423 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 63974172 is about 7998.3855871044. The cubic root of 63974172 is about 399.9461844267.

It can be divided in two parts, 63974 and 172, that added together give a palindrome (64146).

The spelling of 63974172 in words is "sixty-three million, nine hundred seventy-four thousand, one hundred seventy-two".