173257042 has 24 divisors (see below), whose sum is σ = 306839664. Its totient is φ = 73141992.

The previous prime is 173257003. The next prime is 173257043. The reversal of 173257042 is 240752371.

It is a junction number, because it is equal to n+sod(n) for n = 173256995 and 173257013.

It is not an unprimeable number, because it can be changed into a prime (173257043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6628 + ... + 19759.

It is an arithmetic number, because the mean of its divisors is an integer number (12784986).

Almost surely, 2^173257042 is an apocalyptic number.

173257042 is a deficient number, since it is larger than the sum of its proper divisors (133582622).

173257042 is a wasteful number, since it uses less digits than its factorization.

173257042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26470 (or 26463 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 173257042 is about 13162.7140818298. The cubic root of 173257042 is about 557.4812927826.

The spelling of 173257042 in words is "one hundred seventy-three million, two hundred fifty-seven thousand, forty-two".