63715172 has 12 divisors (see below), whose sum is σ = 111614076. Its totient is φ = 31825440.

The previous prime is 63715139. The next prime is 63715177. The reversal of 63715172 is 27151736.

It can be written as a sum of positive squares in 2 ways, for example, as 44302336 + 19412836 = 6656^2 + 4406^2 .

It is not an unprimeable number, because it can be changed into a prime (63715177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3263 + ... + 11750.

It is an arithmetic number, because the mean of its divisors is an integer number (9301173).

Almost surely, 2^63715172 is an apocalyptic number.

It is an amenable number.

63715172 is a deficient number, since it is larger than the sum of its proper divisors (47898904).

63715172 is a wasteful number, since it uses less digits than its factorization.

63715172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16078 (or 16076 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 63715172 is about 7982.1783994095. The cubic root of 63715172 is about 399.4057258662.

The spelling of 63715172 in words is "sixty-three million, seven hundred fifteen thousand, one hundred seventy-two".