173042870 has 128 divisors (see below), whose sum is σ = 426746880. Its totient is φ = 48775680.

The previous prime is 173042867. The next prime is 173042873. The reversal of 173042870 is 78240371.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (173042867) and next prime (173042873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173042873) 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 63 ways as a sum of consecutive naturals, for example, 590444 + ... + 590736.

It is an arithmetic number, because the mean of its divisors is an integer number (3333960).

Almost surely, 2^173042870 is an apocalyptic number.

173042870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173042870 is an abundant number, since it is smaller than the sum of its proper divisors (253704010).

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

173042870 is a wasteful number, since it uses less digits than its factorization.

173042870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 173042870 is about 13154.5760098910. The cubic root of 173042870 is about 557.2514875686.

The spelling of 173042870 in words is "one hundred seventy-three million, forty-two thousand, eight hundred seventy".