676709 has 4 divisors (see below), whose sum is σ = 738240. Its totient is φ = 615180.

The previous prime is 676703. The next prime is 676717. The reversal of 676709 is 907676.

676709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676709 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676703) 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, 30749 + ... + 30770.

It is an arithmetic number, because the mean of its divisors is an integer number (184560).

2⁶⁷⁶⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

676709 is a deficient number, since it is larger than the sum of its proper divisors (61531).

676709 is a wasteful number, since it uses less digits than its factorization.

676709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61530.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 676709 is about 822.6232430463. The cubic root of 676709 is about 87.7945015522.

It can be divided in two parts, 67 and 6709, that added together give a palindrome (6776).

The spelling of 676709 in words is "six hundred seventy-six thousand, seven hundred nine".