672825686 has 32 divisors (see below), whose sum is σ = 1120149408. Its totient is φ = 301086720.

The previous prime is 672825683. The next prime is 672825697. The reversal of 672825686 is 686528276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672825683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317366 + ... + 319478.

It is an arithmetic number, because the mean of its divisors is an integer number (35004669).

Almost surely, 2^672825686 is an apocalyptic number.

672825686 is a deficient number, since it is larger than the sum of its proper divisors (447323722).

672825686 is a wasteful number, since it uses less digits than its factorization.

672825686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its digits is 1935360, while the sum is 50.

The square root of 672825686 is about 25938.8836691173. The cubic root of 672825686 is about 876.2624219869.

The spelling of 672825686 in words is "six hundred seventy-two million, eight hundred twenty-five thousand, six hundred eighty-six".