63272520172 has 6 divisors (see below), whose sum is σ = 110726910308. Its totient is φ = 31636260084.

The previous prime is 63272520161. The next prime is 63272520173. The reversal of 63272520172 is 27102527236.

It is a super-2 number, since 2×63272520172² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63272520173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7909065018 + ... + 7909065025.

Almost surely, 2^63272520172 is an apocalyptic number.

It is an amenable number.

63272520172 is a deficient number, since it is larger than the sum of its proper divisors (47454390136).

63272520172 is a wasteful number, since it uses less digits than its factorization.

63272520172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15818130047 (or 15818130045 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 63272520172 in words is "sixty-three billion, two hundred seventy-two million, five hundred twenty thousand, one hundred seventy-two".