173428057 has 8 divisors (see below), whose sum is σ = 189298080. Its totient is φ = 157575360.

The previous prime is 173428051. The next prime is 173428109. The reversal of 173428057 is 750824371.

173428057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173428057 - 2³ = 173428049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173428051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25678 + ... + 31720.

It is an arithmetic number, because the mean of its divisors is an integer number (23662260).

Almost surely, 2^173428057 is an apocalyptic number.

It is an amenable number.

173428057 is a deficient number, since it is larger than the sum of its proper divisors (15870023).

173428057 is a wasteful number, since it uses less digits than its factorization.

173428057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 173428057 is about 13169.2086702277. The cubic root of 173428057 is about 557.6646548581.

It can be divided in two parts, 1734 and 28057, that added together give a cube (29791 = 31³).

The spelling of 173428057 in words is "one hundred seventy-three million, four hundred twenty-eight thousand, fifty-seven".