676564 has 24 divisors (see below), whose sum is σ = 1375808. Its totient is φ = 285120.

The previous prime is 676523. The next prime is 676573. The reversal of 676564 is 465676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879 + ... + 2209.

2⁶⁷⁶⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

676564 is an abundant number, since it is smaller than the sum of its proper divisors (699244).

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

676564 is a wasteful number, since it uses less digits than its factorization.

676564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 413 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 676564 is about 822.5351056338. The cubic root of 676564 is about 87.7882304607.

The spelling of 676564 in words is "six hundred seventy-six thousand, five hundred sixty-four".