673206676 has 6 divisors (see below), whose sum is σ = 1178111690. Its totient is φ = 336603336.

The previous prime is 673206671. The next prime is 673206731. The reversal of 673206676 is 676602376.

It can be written as a sum of positive squares in only one way, i.e., 599074576 + 74132100 = 24476^2 + 8610^2 .

It is a super-2 number, since 2×673206676² = 906414457221937952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673206671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84150831 + ... + 84150838.

Almost surely, 2^673206676 is an apocalyptic number.

It is an amenable number.

673206676 is a deficient number, since it is larger than the sum of its proper divisors (504905014).

673206676 is a wasteful number, since it uses less digits than its factorization.

673206676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168301673 (or 168301671 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 673206676 is about 25946.2266235382. The cubic root of 673206676 is about 876.4277863762.

The spelling of 673206676 in words is "six hundred seventy-three million, two hundred six thousand, six hundred seventy-six".