30173 has 8 divisors (see below), whose sum is σ = 35616. Its totient is φ = 25200.

The previous prime is 30169. The next prime is 30181. The reversal of 30173 is 37103.

It is a happy number.

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 30173 - 2² = 30169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38 + ... + 248.

It is an arithmetic number, because the mean of its divisors is an integer number (4452).

2³⁰¹⁷³ is an apocalyptic number.

It is an amenable number.

30173 is a deficient number, since it is larger than the sum of its proper divisors (5443).

30173 is a wasteful number, since it uses less digits than its factorization.

30173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 30173 is about 173.7037708284. The cubic root of 30173 is about 31.1319385294.

Adding to 30173 its reverse (37103), we get a palindrome (67276).

The spelling of 30173 in words is "thirty thousand, one hundred seventy-three".