172330 has 16 divisors (see below), whose sum is σ = 326880. Its totient is φ = 65232.

The previous prime is 172321. The next prime is 172331. The reversal of 172330 is 33271.

172330 is nontrivially palindromic in base 4.

It is not an unprimeable number, because it can be changed into a prime (172331) 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, 264 + ... + 643.

It is an arithmetic number, because the mean of its divisors is an integer number (20430).

2¹⁷²³³⁰ is an apocalyptic number.

172330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172330 is a deficient number, since it is larger than the sum of its proper divisors (154550).

172330 is a wasteful number, since it uses less digits than its factorization.

172330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 172330 is about 415.1264867483. The cubic root of 172330 is about 55.6485213827.

The spelling of 172330 in words is "one hundred seventy-two thousand, three hundred thirty".