7272872 has 32 divisors (see below), whose sum is σ = 14725800. Its totient is φ = 3354624.

The previous prime is 7272869. The next prime is 7272883. The reversal of 7272872 is 2782727.

It can be written as a sum of positive squares in 4 ways, for example, as 6895876 + 376996 = 2626^2 + 614^2 .

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, 6704 + ... + 7712.

Almost surely, 2^7272872 is an apocalyptic number.

It is an amenable number.

7272872 is an abundant number, since it is smaller than the sum of its proper divisors (7452928).

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

7272872 is a wasteful number, since it uses less digits than its factorization.

7272872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1081 counting only the distinct ones).

The product of its digits is 21952, while the sum is 35.

The square root of 7272872 is about 2696.8262828740. The cubic root of 7272872 is about 193.7471464026.

The spelling of 7272872 in words is "seven million, two hundred seventy-two thousand, eight hundred seventy-two".