173000442 has 16 divisors (see below), whose sum is σ = 346138560. Its totient is φ = 57643872.

The previous prime is 173000431. The next prime is 173000479. The reversal of 173000442 is 244000371.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18438 + ... + 26190.

It is an arithmetic number, because the mean of its divisors is an integer number (21633660).

Almost surely, 2^173000442 is an apocalyptic number.

173000442 is an abundant number, since it is smaller than the sum of its proper divisors (173138118).

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

173000442 is a wasteful number, since it uses less digits than its factorization.

173000442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11477.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 173000442 is about 13152.9632402740. The cubic root of 173000442 is about 557.2059400911.

The spelling of 173000442 in words is "one hundred seventy-three million, four hundred forty-two", and thus it is an aban number.