679712 has 24 divisors (see below), whose sum is σ = 1460592. Its totient is φ = 308800.

The previous prime is 679709. The next prime is 679733. The reversal of 679712 is 217976.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614 + ... + 1317.

It is an arithmetic number, because the mean of its divisors is an integer number (60858).

2⁶⁷⁹⁷¹² is an apocalyptic number.

It is an amenable number.

679712 is an abundant number, since it is smaller than the sum of its proper divisors (780880).

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

679712 is a wasteful number, since it uses less digits than its factorization.

679712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1944 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 679712 is about 824.4464809798. The cubic root of 679712 is about 87.9241771122.

It can be divided in two parts, 67 and 9712, that added together give a palindrome (9779).

The spelling of 679712 in words is "six hundred seventy-nine thousand, seven hundred twelve".