173000 has 32 divisors (see below), whose sum is σ = 407160. Its totient is φ = 68800.

The previous prime is 172999. The next prime is 173021. The reversal of 173000 is 371.

173000 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 91204 + 81796 = 302^2 + 286^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 173000.

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, 914 + ... + 1086.

2¹⁷³⁰⁰⁰ is an apocalyptic number.

173000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203580).

173000 is an abundant number, since it is smaller than the sum of its proper divisors (234160).

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

173000 is a wasteful number, since it uses less digits than its factorization.

173000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 173000 is about 415.9326868617. The cubic root of 173000 is about 55.7205465554.

Adding to 173000 its reverse (371), we get a palindrome (173371).

The spelling of 173000 in words is "one hundred seventy-three thousand", and thus it is an iban number.