7239972 has 24 divisors (see below), whose sum is σ = 17085600. Its totient is φ = 2385856.

The previous prime is 7239961. The next prime is 7239979. The reversal of 7239972 is 2799327.

It is a self number, because there is not a number n which added to its sum of digits gives 7239972.

It is not an unprimeable number, because it can be changed into a prime (7239979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 4457.

It is an arithmetic number, because the mean of its divisors is an integer number (711900).

Almost surely, 2^7239972 is an apocalyptic number.

It is an amenable number.

7239972 is an abundant number, since it is smaller than the sum of its proper divisors (9845628).

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

7239972 is a wasteful number, since it uses less digits than its factorization.

7239972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875 (or 6873 counting only the distinct ones).

The product of its digits is 47628, while the sum is 39.

The square root of 7239972 is about 2690.7196063507. The cubic root of 7239972 is about 193.4545560276.

The spelling of 7239972 in words is "seven million, two hundred thirty-nine thousand, nine hundred seventy-two".