63974872 has 32 divisors (see below), whose sum is σ = 130410000. Its totient is φ = 29245824.

The previous prime is 63974857. The next prime is 63974903. The reversal of 63974872 is 27847936.

63974872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8254 + ... + 14002.

Almost surely, 2^63974872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63974872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65205000).

63974872 is an abundant number, since it is smaller than the sum of its proper divisors (66435128).

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

63974872 is a wasteful number, since it uses less digits than its factorization.

63974872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875 (or 5871 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 63974872 is about 7998.4293458153. The cubic root of 63974872 is about 399.9476431472.

It can be divided in two parts, 63974 and 872, that added together give a palindrome (64846).

The spelling of 63974872 in words is "sixty-three million, nine hundred seventy-four thousand, eight hundred seventy-two".