708679 has 4 divisors (see below), whose sum is σ = 750384. Its totient is φ = 666976.

The previous prime is 708667. The next prime is 708689. The reversal of 708679 is 976807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 708679 - 2⁵ = 708647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20827 + ... + 20860.

It is an arithmetic number, because the mean of its divisors is an integer number (187596).

2⁷⁰⁸⁶⁷⁹ is an apocalyptic number.

708679 is a deficient number, since it is larger than the sum of its proper divisors (41705).

708679 is a wasteful number, since it uses less digits than its factorization.

708679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41704.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 708679 is about 841.8307430832. The cubic root of 708679 is about 89.1558519895.

It can be divided in two parts, 70867 and 9, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 708679 in words is "seven hundred eight thousand, six hundred seventy-nine".