679743 has 6 divisors (see below), whose sum is σ = 981864. Its totient is φ = 453156.

The previous prime is 679741. The next prime is 679747. The reversal of 679743 is 347976.

It is not a de Polignac number, because 679743 - 2¹ = 679741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679698 and 679707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37755 + ... + 37772.

It is an arithmetic number, because the mean of its divisors is an integer number (163644).

2⁶⁷⁹⁷⁴³ is an apocalyptic number.

679743 is a deficient number, since it is larger than the sum of its proper divisors (302121).

679743 is a wasteful number, since it uses less digits than its factorization.

679743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75533 (or 75530 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 679743 is about 824.4652812581. The cubic root of 679743 is about 87.9255137607.

The spelling of 679743 in words is "six hundred seventy-nine thousand, seven hundred forty-three".