173972380 has 24 divisors (see below), whose sum is σ = 373117248. Its totient is φ = 68107968.

The previous prime is 173972377. The next prime is 173972429. The reversal of 173972380 is 83279371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91599 + ... + 93478.

It is an arithmetic number, because the mean of its divisors is an integer number (15546552).

Almost surely, 2^173972380 is an apocalyptic number.

173972380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173972380 is an abundant number, since it is smaller than the sum of its proper divisors (199144868).

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

173972380 is a wasteful number, since it uses less digits than its factorization.

173972380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185133 (or 185131 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 173972380 is about 13189.8589833250. The cubic root of 173972380 is about 558.2474761176.

The spelling of 173972380 in words is "one hundred seventy-three million, nine hundred seventy-two thousand, three hundred eighty".