679974 has 8 divisors (see below), whose sum is σ = 1359960. Its totient is φ = 226656.

The previous prime is 679969. The next prime is 679981. The reversal of 679974 is 479976.

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

679974 is an admirable number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56659 + ... + 56670.

It is an arithmetic number, because the mean of its divisors is an integer number (169995).

2⁶⁷⁹⁹⁷⁴ is an apocalyptic number.

679974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679974 is a wasteful number, since it uses less digits than its factorization.

679974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113334.

The product of its digits is 95256, while the sum is 42.

The square root of 679974 is about 824.6053601572. The cubic root of 679974 is about 87.9354726684.

It can be divided in two parts, 679 and 974, that added together give a triangular number (1653 = T₅₇).

The spelling of 679974 in words is "six hundred seventy-nine thousand, nine hundred seventy-four".