7891372 has 12 divisors (see below), whose sum is σ = 13842976. Its totient is φ = 3936240.

The previous prime is 7891361. The next prime is 7891379. The reversal of 7891372 is 2731987.

It is not an unprimeable number, because it can be changed into a prime (7891379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279 + ... + 3982.

Almost surely, 2^7891372 is an apocalyptic number.

It is an amenable number.

7891372 is a deficient number, since it is larger than the sum of its proper divisors (5951604).

7891372 is a wasteful number, since it uses less digits than its factorization.

7891372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728 (or 4726 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 7891372 is about 2809.1585928886. The cubic root of 7891372 is about 199.0906382392.

The spelling of 7891372 in words is "seven million, eight hundred ninety-one thousand, three hundred seventy-two".