972172488 has 64 divisors (see below), whose sum is σ = 2781072000. Its totient is φ = 277420032.

The previous prime is 972172477. The next prime is 972172501. The reversal of 972172488 is 884271279.

972172488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×972172488² = 1890238692848220288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152958 + ... + 159186.

It is an arithmetic number, because the mean of its divisors is an integer number (43454250).

Almost surely, 2^972172488 is an apocalyptic number.

It is an amenable number.

972172488 is an abundant number, since it is smaller than the sum of its proper divisors (1808899512).

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

972172488 is a wasteful number, since it uses less digits than its factorization.

972172488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174 (or 7170 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 972172488 is about 31179.6806911168. The cubic root of 972172488 is about 990.6367661438.

The spelling of 972172488 in words is "nine hundred seventy-two million, one hundred seventy-two thousand, four hundred eighty-eight".