173030 has 32 divisors (see below), whose sum is σ = 368928. Its totient is φ = 58080.

The previous prime is 173023. The next prime is 173039. The reversal of 173030 is 30371.

Added to its reverse (30371) it gives a square (203401 = 451²).

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172996 and 173014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173039) by changing a digit.

173030 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 15 ways as a sum of consecutive naturals, for example, 13304 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (11529).

2¹⁷³⁰³⁰ is an apocalyptic number.

173030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173030 is an abundant number, since it is smaller than the sum of its proper divisors (195898).

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

173030 is a wasteful number, since it uses less digits than its factorization.

173030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 31 counting only the distinct ones).

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

The square root of 173030 is about 415.9687488262. The cubic root of 173030 is about 55.7237672101.

Adding to 173030 its reverse (30371), we get a square (203401 = 451²).

The spelling of 173030 in words is "one hundred seventy-three thousand, thirty".