173980442 has 8 divisors (see below), whose sum is σ = 261229332. Its totient is φ = 86904000.

The previous prime is 173980421. The next prime is 173980453. The reversal of 173980442 is 244089371.

It can be written as a sum of positive squares in 2 ways, for example, as 172160641 + 1819801 = 13121^2 + 1349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 173980396 and 173980405.

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, 40559 + ... + 44642.

Almost surely, 2^173980442 is an apocalyptic number.

173980442 is a deficient number, since it is larger than the sum of its proper divisors (87248890).

173980442 is a wasteful number, since it uses less digits than its factorization.

173980442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86224.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 173980442 is about 13190.1645933627. The cubic root of 173980442 is about 558.2560991754.

The spelling of 173980442 in words is "one hundred seventy-three million, nine hundred eighty thousand, four hundred forty-two".