173013720 has 64 divisors (see below), whose sum is σ = 566231040. Its totient is φ = 41942400.

The previous prime is 173013719. The next prime is 173013781. The reversal of 173013720 is 27310371.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 64216 + ... + 66855.

It is an arithmetic number, because the mean of its divisors is an integer number (8847360).

Almost surely, 2^173013720 is an apocalyptic number.

173013720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173013720 is an abundant number, since it is smaller than the sum of its proper divisors (393217320).

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

173013720 is a wasteful number, since it uses less digits than its factorization.

173013720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131096 (or 131092 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 173013720 is about 13153.4679837676. The cubic root of 173013720 is about 557.2201951437.

The spelling of 173013720 in words is "one hundred seventy-three million, thirteen thousand, seven hundred twenty".