7427172 has 24 divisors (see below), whose sum is σ = 17541216. Its totient is φ = 2445568.

The previous prime is 7427159. The next prime is 7427209. The reversal of 7427172 is 2717247.

7427172 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 2733 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (730884).

Almost surely, 2^7427172 is an apocalyptic number.

It is an amenable number.

7427172 is an abundant number, since it is smaller than the sum of its proper divisors (10114044).

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

7427172 is a wasteful number, since it uses less digits than its factorization.

7427172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547 (or 7545 counting only the distinct ones).

The product of its digits is 5488, while the sum is 30.

The square root of 7427172 is about 2725.2838384286. The cubic root of 7427172 is about 195.1077379652.

The spelling of 7427172 in words is "seven million, four hundred twenty-seven thousand, one hundred seventy-two".