679758 has 16 divisors (see below), whose sum is σ = 1367760. Its totient is φ = 225216.

The previous prime is 679753. The next prime is 679781. The reversal of 679758 is 857976.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458 + ... + 1866.

It is an arithmetic number, because the mean of its divisors is an integer number (85485).

2⁶⁷⁹⁷⁵⁸ is an apocalyptic number.

679758 is an abundant number, since it is smaller than the sum of its proper divisors (688002).

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

679758 is a wasteful number, since it uses less digits than its factorization.

679758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 105840, while the sum is 42.

The square root of 679758 is about 824.4743780130. The cubic root of 679758 is about 87.9261605115.

The spelling of 679758 in words is "six hundred seventy-nine thousand, seven hundred fifty-eight".