63117672 has 16 divisors (see below), whose sum is σ = 157794240. Its totient is φ = 21039216.

The previous prime is 63117653. The next prime is 63117683. The reversal of 63117672 is 27671136.

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, 1314928 + ... + 1314975.

It is an arithmetic number, because the mean of its divisors is an integer number (9862140).

Almost surely, 2^63117672 is an apocalyptic number.

It is an amenable number.

63117672 is an abundant number, since it is smaller than the sum of its proper divisors (94676568).

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

63117672 is a wasteful number, since it uses less digits than its factorization.

63117672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629912 (or 2629908 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 63117672 is about 7944.6631143177. The cubic root of 63117672 is about 398.1533040724.

The spelling of 63117672 in words is "sixty-three million, one hundred seventeen thousand, six hundred seventy-two".