672800680 has 16 divisors (see below), whose sum is σ = 1513801620. Its totient is φ = 269120256.

The previous prime is 672800663. The next prime is 672800707. The reversal of 672800680 is 86008276.

It can be written as a sum of positive squares in 2 ways, for example, as 672157476 + 643204 = 25926^2 + 802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8409969 + ... + 8410048.

Almost surely, 2^672800680 is an apocalyptic number.

It is an amenable number.

672800680 is an abundant number, since it is smaller than the sum of its proper divisors (841000940).

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

672800680 is a wasteful number, since it uses less digits than its factorization.

672800680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820028 (or 16820024 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 672800680 is about 25938.4016469789. The cubic root of 672800680 is about 876.2515662333.

The spelling of 672800680 in words is "six hundred seventy-two million, eight hundred thousand, six hundred eighty".