173242980 has 36 divisors (see below), whose sum is σ = 525504252. Its totient is φ = 46198080.

The previous prime is 173242919. The next prime is 173242981. The reversal of 173242980 is 89242371.

173242980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 137170944 + 36072036 = 11712^2 + 6006^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (173242981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481051 + ... + 481410.

Almost surely, 2^173242980 is an apocalyptic number.

173242980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173242980 is an abundant number, since it is smaller than the sum of its proper divisors (352261272).

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

173242980 is a wasteful number, since it uses less digits than its factorization.

173242980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962476 (or 962471 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 173242980 is about 13162.1799106379. The cubic root of 173242980 is about 557.4662101555.

The spelling of 173242980 in words is "one hundred seventy-three million, two hundred forty-two thousand, nine hundred eighty".