173053220 has 12 divisors (see below), whose sum is σ = 363411804. Its totient is φ = 69221280.

The previous prime is 173053189. The next prime is 173053261. The reversal of 173053220 is 22350371.

It can be written as a sum of positive squares in 2 ways, for example, as 55026724 + 118026496 = 7418^2 + 10864^2 .

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, 4326311 + ... + 4326350.

It is an arithmetic number, because the mean of its divisors is an integer number (30284317).

Almost surely, 2^173053220 is an apocalyptic number.

173053220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173053220 is an abundant number, since it is smaller than the sum of its proper divisors (190358584).

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

173053220 is a wasteful number, since it uses less digits than its factorization.

173053220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652670 (or 8652668 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 173053220 is about 13154.9694032331. The cubic root of 173053220 is about 557.2625974127.

The spelling of 173053220 in words is "one hundred seventy-three million, fifty-three thousand, two hundred twenty".