679670 has 8 divisors (see below), whose sum is σ = 1223424. Its totient is φ = 271864.

The previous prime is 679669. The next prime is 679681. The reversal of 679670 is 76976.

679670 is nontrivially palindromic in base 7.

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

It is a super-3 number, since 3×679670³ = 941923338360189000, which contains 333 as substring.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 679670.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33974 + ... + 33993.

It is an arithmetic number, because the mean of its divisors is an integer number (152928).

2⁶⁷⁹⁶⁷⁰ is an apocalyptic number.

679670 is a deficient number, since it is larger than the sum of its proper divisors (543754).

679670 is a wasteful number, since it uses less digits than its factorization.

679670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67974.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 679670 is about 824.4210089511. The cubic root of 679670 is about 87.9223661043.

The spelling of 679670 in words is "six hundred seventy-nine thousand, six hundred seventy".