672806800 has 30 divisors (see below), whose sum is σ = 1616419298. Its totient is φ = 269122560.

The previous prime is 672806789. The next prime is 672806801. The reversal of 672806800 is 8608276.

It can be written as a sum of positive squares in 3 ways, for example, as 218093824 + 454712976 = 14768^2 + 21324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 672806800.

It is not an unprimeable number, because it can be changed into a prime (672806801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840609 + ... + 841408.

Almost surely, 2^672806800 is an apocalyptic number.

It is an amenable number.

672806800 is an abundant number, since it is smaller than the sum of its proper divisors (943612498).

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

672806800 is a wasteful number, since it uses less digits than its factorization.

672806800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682035 (or 1682024 counting only the distinct ones).

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

The square root of 672806800 is about 25938.5196185133. The cubic root of 672806800 is about 876.2542231090.

The spelling of 672806800 in words is "six hundred seventy-two million, eight hundred six thousand, eight hundred".