170679 has 4 divisors (see below), whose sum is σ = 227576. Its totient is φ = 113784.

The previous prime is 170669. The next prime is 170689. The reversal of 170679 is 976071.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (170669) and next prime (170689).

It is not a de Polignac number, because 170679 - 2⁵ = 170647 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170609) 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 3 ways as a sum of consecutive naturals, for example, 28444 + ... + 28449.

It is an arithmetic number, because the mean of its divisors is an integer number (56894).

2¹⁷⁰⁶⁷⁹ is an apocalyptic number.

170679 is a deficient number, since it is larger than the sum of its proper divisors (56897).

170679 is an equidigital number, since it uses as much as digits as its factorization.

170679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56896.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 170679 is about 413.1331504491. The cubic root of 170679 is about 55.4702380808.

The spelling of 170679 in words is "one hundred seventy thousand, six hundred seventy-nine".