7171872 has 24 divisors (see below), whose sum is σ = 18826416. Its totient is φ = 2390592.

The previous prime is 7171861. The next prime is 7171891. The reversal of 7171872 is 2781717.

7171872 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37258 + ... + 37449.

It is an arithmetic number, because the mean of its divisors is an integer number (784434).

Almost surely, 2^7171872 is an apocalyptic number.

It is an amenable number.

7171872 is an abundant number, since it is smaller than the sum of its proper divisors (11654544).

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

7171872 is a wasteful number, since it uses less digits than its factorization.

7171872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74720 (or 74712 counting only the distinct ones).

The product of its digits is 5488, while the sum is 33.

The square root of 7171872 is about 2678.0351005915. The cubic root of 7171872 is about 192.8460924101.

The spelling of 7171872 in words is "seven million, one hundred seventy-one thousand, eight hundred seventy-two".