173220364 has 12 divisors (see below), whose sum is σ = 313588800. Its totient is φ = 83623568.

The previous prime is 173220331. The next prime is 173220389. The reversal of 173220364 is 463022371.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746524 + ... + 746755.

It is an arithmetic number, because the mean of its divisors is an integer number (26132400).

Almost surely, 2^173220364 is an apocalyptic number.

It is an amenable number.

173220364 is a deficient number, since it is larger than the sum of its proper divisors (140368436).

173220364 is a wasteful number, since it uses less digits than its factorization.

173220364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493312 (or 1493310 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 173220364 is about 13161.3207543924. The cubic root of 173220364 is about 557.4419509629.

The spelling of 173220364 in words is "one hundred seventy-three million, two hundred twenty thousand, three hundred sixty-four".