173421344 has 24 divisors (see below), whose sum is σ = 341733168. Its totient is φ = 86632000.

The previous prime is 173421329. The next prime is 173421359. The reversal of 173421344 is 443124371.

It is an interprime number because it is at equal distance from previous prime (173421329) and next prime (173421359).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51719 + ... + 54969.

It is an arithmetic number, because the mean of its divisors is an integer number (14238882).

Almost surely, 2^173421344 is an apocalyptic number.

It is an amenable number.

173421344 is a deficient number, since it is larger than the sum of its proper divisors (168311824).

173421344 is a wasteful number, since it uses less digits than its factorization.

173421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928 (or 4920 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 173421344 is about 13168.9537929176. The cubic root of 173421344 is about 557.6574594612.

The spelling of 173421344 in words is "one hundred seventy-three million, four hundred twenty-one thousand, three hundred forty-four".