173073 has 8 divisors (see below), whose sum is σ = 238336. Its totient is φ = 111600.

The previous prime is 173059. The next prime is 173081. The reversal of 173073 is 370371.

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

It is not a de Polignac number, because 173073 - 2⁹ = 172561 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (173023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (29792).

2¹⁷³⁰⁷³ is an apocalyptic number.

It is an amenable number.

173073 is a deficient number, since it is larger than the sum of its proper divisors (65263).

173073 is a wasteful number, since it uses less digits than its factorization.

173073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 173073 is about 416.0204321905. The cubic root of 173073 is about 55.7283828327.

The spelling of 173073 in words is "one hundred seventy-three thousand, seventy-three", and thus it is an iban number.