679750 has 16 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 271800.

The previous prime is 679747. The next prime is 679751. The reversal of 679750 is 57976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679751) 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 7 ways as a sum of consecutive naturals, for example, 1110 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (79560).

2⁶⁷⁹⁷⁵⁰ is an apocalyptic number.

679750 is a deficient number, since it is larger than the sum of its proper divisors (593210).

679750 is a wasteful number, since it uses less digits than its factorization.

679750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 679750 is about 824.4695264229. The cubic root of 679750 is about 87.9258155789.

The spelling of 679750 in words is "six hundred seventy-nine thousand, seven hundred fifty".