173057872 has 40 divisors (see below), whose sum is σ = 372753920. Its totient is φ = 77293440.

The previous prime is 173057867. The next prime is 173057873. The reversal of 173057872 is 278750371.

173057872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×173057872² = 59898054122336768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173057873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6972 + ... + 19867.

It is an arithmetic number, because the mean of its divisors is an integer number (9318848).

Almost surely, 2^173057872 is an apocalyptic number.

It is an amenable number.

173057872 is an abundant number, since it is smaller than the sum of its proper divisors (199696048).

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

173057872 is a wasteful number, since it uses less digits than its factorization.

173057872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26891 (or 26885 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 173057872 is about 13155.1462173554. The cubic root of 173057872 is about 557.2675907945.

The spelling of 173057872 in words is "one hundred seventy-three million, fifty-seven thousand, eight hundred seventy-two".