170975 has 12 divisors (see below), whose sum is σ = 242544. Its totient is φ = 117120.

The previous prime is 170971. The next prime is 171007. The reversal of 170975 is 579071.

It is not a de Polignac number, because 170975 - 2² = 170971 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314 + ... + 663.

It is an arithmetic number, because the mean of its divisors is an integer number (20212).

2¹⁷⁰⁹⁷⁵ is an apocalyptic number.

170975 is a deficient number, since it is larger than the sum of its proper divisors (71569).

170975 is an equidigital number, since it uses as much as digits as its factorization.

170975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 170975 is about 413.4912332807. The cubic root of 170975 is about 55.5022859757.

The spelling of 170975 in words is "one hundred seventy thousand, nine hundred seventy-five".