173130 has 32 divisors (see below), whose sum is σ = 432000. Its totient is φ = 44352.

The previous prime is 173099. The next prime is 173137. The reversal of 173130 is 31371.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173137) by changing a digit.

173130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2¹⁷³¹³⁰ is an apocalyptic number.

173130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 173130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216000).

173130 is an abundant number, since it is smaller than the sum of its proper divisors (258870).

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

173130 is a wasteful number, since it uses less digits than its factorization.

173130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 173130 is about 416.0889328016. The cubic root of 173130 is about 55.7345000379.

It can be divided in two parts, 173 and 130, that added together give a palindrome (303).

The spelling of 173130 in words is "one hundred seventy-three thousand, one hundred thirty".