7390872 has 32 divisors (see below), whose sum is σ = 20530800. Its totient is φ = 2463552.

The previous prime is 7390819. The next prime is 7390907. The reversal of 7390872 is 2780937.

It is a super-3 number, since 3×7390872³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 16893 + ... + 17324.

Almost surely, 2^7390872 is an apocalyptic number.

7390872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7390872 is an abundant number, since it is smaller than the sum of its proper divisors (13139928).

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

7390872 is a wasteful number, since it uses less digits than its factorization.

7390872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34232 (or 34222 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 7390872 is about 2718.6158242753. The cubic root of 7390872 is about 194.7893583428.

The spelling of 7390872 in words is "seven million, three hundred ninety thousand, eight hundred seventy-two".