7315972 has 6 divisors (see below), whose sum is σ = 12802958. Its totient is φ = 3657984.

The previous prime is 7315963. The next prime is 7315981. The reversal of 7315972 is 2795137.

It is an interprime number because it is at equal distance from previous prime (7315963) and next prime (7315981).

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 4356 = 2704^2 + 66^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914493 + ... + 914500.

Almost surely, 2^7315972 is an apocalyptic number.

It is an amenable number.

7315972 is a deficient number, since it is larger than the sum of its proper divisors (5486986).

7315972 is a wasteful number, since it uses less digits than its factorization.

7315972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828997 (or 1828995 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 7315972 is about 2704.8053534404. The cubic root of 7315972 is about 194.1291165840.

The spelling of 7315972 in words is "seven million, three hundred fifteen thousand, nine hundred seventy-two".