7392172056 has 16 divisors (see below), whose sum is σ = 18480430200. Its totient is φ = 2464057344.

The previous prime is 7392172049. The next prime is 7392172061. The reversal of 7392172056 is 6502712937.

It is a junction number, because it is equal to n+sod(n) for n = 7392171999 and 7392172017.

It is a congruent number.

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, 154003561 + ... + 154003608.

Almost surely, 2^7392172056 is an apocalyptic number.

It is an amenable number.

7392172056 is an abundant number, since it is smaller than the sum of its proper divisors (11088258144).

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

7392172056 is a wasteful number, since it uses less digits than its factorization.

7392172056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308007178 (or 308007174 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 7392172056 is about 85977.7416311920. The cubic root of 7392172056 is about 1948.0077883673.

The spelling of 7392172056 in words is "seven billion, three hundred ninety-two million, one hundred seventy-two thousand, fifty-six".