676723 has 4 divisors (see below), whose sum is σ = 712360. Its totient is φ = 641088.

The previous prime is 676721. The next prime is 676727. The reversal of 676723 is 327676.

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 676723 - 2¹ = 676721 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17790 + ... + 17827.

It is an arithmetic number, because the mean of its divisors is an integer number (178090).

2⁶⁷⁶⁷²³ is an apocalyptic number.

676723 is a deficient number, since it is larger than the sum of its proper divisors (35637).

676723 is a wasteful number, since it uses less digits than its factorization.

676723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35636.

The product of its digits is 10584, while the sum is 31.

The square root of 676723 is about 822.6317523655. The cubic root of 676723 is about 87.7951069895.

It can be divided in two parts, 6 and 76723, that added together give a square (76729 = 277²).

The spelling of 676723 in words is "six hundred seventy-six thousand, seven hundred twenty-three".