679173 has 12 divisors (see below), whose sum is σ = 995904. Its totient is φ = 411400.

The previous prime is 679171. The next prime is 679183. The reversal of 679173 is 371976.

It is not a de Polignac number, because 679173 - 2¹ = 679171 is a prime.

It is a super-2 number, since 2×679173² = 922551927858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

679173 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2⁶⁷⁹¹⁷³ is an apocalyptic number.

It is an amenable number.

679173 is a deficient number, since it is larger than the sum of its proper divisors (316731).

679173 is a wasteful number, since it uses less digits than its factorization.

679173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1885 counting only the distinct ones).

The product of its digits is 7938, while the sum is 33.

The square root of 679173 is about 824.1195301654. The cubic root of 679173 is about 87.9009301764.

The spelling of 679173 in words is "six hundred seventy-nine thousand, one hundred seventy-three".