173304 has 48 divisors (see below), whose sum is σ = 491400. Its totient is φ = 55104.

The previous prime is 173297. The next prime is 173309. The reversal of 173304 is 403371.

173304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173309) by changing a digit.

173304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2047 + ... + 2129.

2¹⁷³³⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245700).

173304 is an abundant number, since it is smaller than the sum of its proper divisors (318096).

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

173304 is a wasteful number, since it uses less digits than its factorization.

173304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 173304 is about 416.2979702088. The cubic root of 173304 is about 55.7531653106.

Adding to 173304 its reverse (403371), we get a palindrome (576675).

It can be divided in two parts, 17 and 3304, that added together give a triangular number (3321 = T₈₁).

The spelling of 173304 in words is "one hundred seventy-three thousand, three hundred four", and thus it is an iban number.