672807723 has 8 divisors (see below), whose sum is σ = 1025230848. Its totient is φ = 384461544.

The previous prime is 672807721. The next prime is 672807731. The reversal of 672807723 is 327708276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 672807723 - 2¹ = 672807721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672807721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16019211 + ... + 16019252.

It is an arithmetic number, because the mean of its divisors is an integer number (128153856).

Almost surely, 2^672807723 is an apocalyptic number.

672807723 is a deficient number, since it is larger than the sum of its proper divisors (352423125).

672807723 is a wasteful number, since it uses less digits than its factorization.

672807723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32038473.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 672807723 is about 25938.5374105789. The cubic root of 672807723 is about 876.2546238096.

The spelling of 672807723 in words is "six hundred seventy-two million, eight hundred seven thousand, seven hundred twenty-three".