173329 has 8 divisors (see below), whose sum is σ = 190400. Its totient is φ = 156816.

The previous prime is 173309. The next prime is 173347. The reversal of 173329 is 923371.

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

It is a cyclic number.

It is not a de Polignac number, because 173329 - 2⁵ = 173297 is a prime.

It is an Ulam number.

It is a Duffinian number.

173329 is a lucky number.

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

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 7 ways as a sum of consecutive naturals, for example, 772 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (23800).

2¹⁷³³²⁹ is an apocalyptic number.

It is an amenable number.

173329 is a deficient number, since it is larger than the sum of its proper divisors (17071).

173329 is a wasteful number, since it uses less digits than its factorization.

173329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its digits is 1134, while the sum is 25.

The square root of 173329 is about 416.3279956957. The cubic root of 173329 is about 55.7558460760.

The spelling of 173329 in words is "one hundred seventy-three thousand, three hundred twenty-nine".