672770706 has 16 divisors (see below), whose sum is σ = 1346520000. Its totient is φ = 224093808.

The previous prime is 672770671. The next prime is 672770713. The reversal of 672770706 is 607077276.

It is a Curzon 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, 31681 + ... + 48468.

It is an arithmetic number, because the mean of its divisors is an integer number (84157500).

Almost surely, 2^672770706 is an apocalyptic number.

672770706 is an abundant number, since it is smaller than the sum of its proper divisors (673749294).

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

672770706 is a wasteful number, since it uses less digits than its factorization.

672770706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81553.

The product of its (nonzero) digits is 172872, while the sum is 42.

The square root of 672770706 is about 25937.8238485807. The cubic root of 672770706 is about 876.2385533875.

The spelling of 672770706 in words is "six hundred seventy-two million, seven hundred seventy thousand, seven hundred six".