170073 has 8 divisors (see below), whose sum is σ = 252000. Its totient is φ = 113364.

The previous prime is 170063. The next prime is 170081. The reversal of 170073 is 370071.

It is not a de Polignac number, because 170073 - 2⁴ = 170057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (170003) 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, 3123 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2¹⁷⁰⁰⁷³ is an apocalyptic number.

It is an amenable number.

170073 is a deficient number, since it is larger than the sum of its proper divisors (81927).

170073 is an equidigital number, since it uses as much as digits as its factorization.

170073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308 (or 6302 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 170073 is about 412.3990785635. The cubic root of 170073 is about 55.4045107476.

The spelling of 170073 in words is "one hundred seventy thousand, seventy-three", and thus it is an iban number.