58172172 has 12 divisors (see below), whose sum is σ = 135735096. Its totient is φ = 19390720.

The previous prime is 58172159. The next prime is 58172189. The reversal of 58172172 is 27127185.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2423829 + ... + 2423852.

It is an arithmetic number, because the mean of its divisors is an integer number (11311258).

Almost surely, 2^58172172 is an apocalyptic number.

It is an amenable number.

58172172 is an abundant number, since it is smaller than the sum of its proper divisors (77562924).

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

58172172 is a wasteful number, since it uses less digits than its factorization.

58172172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847688 (or 4847686 counting only the distinct ones).

The product of its digits is 7840, while the sum is 33.

The square root of 58172172 is about 7627.0683752016. The cubic root of 58172172 is about 387.4703067084.

The spelling of 58172172 in words is "fifty-eight million, one hundred seventy-two thousand, one hundred seventy-two".