9272745472920 has 32 divisors (see below), whose sum is σ = 27818236419120. Its totient is φ = 2472732126080.

The previous prime is 9272745472919. The next prime is 9272745472957. The reversal of 9272745472920 is 292745472729.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38636439351 + ... + 38636439590.

Almost surely, 2^{9272745472920} is an apocalyptic number.

It is an amenable number.

9272745472920 is an abundant number, since it is smaller than the sum of its proper divisors (18545490946200).

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

9272745472920 is a wasteful number, since it uses less digits than its factorization.

9272745472920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77272878955 (or 77272878951 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 9272745472920 in words is "nine trillion, two hundred seventy-two billion, seven hundred forty-five million, four hundred seventy-two thousand, nine hundred twenty".