672825685 has 16 divisors (see below), whose sum is σ = 923170176. Its totient is φ = 461147328.

The previous prime is 672825683. The next prime is 672825697. The reversal of 672825685 is 586528276.

It is a cyclic number.

It is not a de Polignac number, because 672825685 - 2¹ = 672825683 is a prime.

It is a Duffinian number.

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, 112839 + ... + 118651.

It is an arithmetic number, because the mean of its divisors is an integer number (57698136).

Almost surely, 2^672825685 is an apocalyptic number.

It is an amenable number.

672825685 is a deficient number, since it is larger than the sum of its proper divisors (250344491).

672825685 is a wasteful number, since it uses less digits than its factorization.

672825685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132.

The product of its digits is 1612800, while the sum is 49.

The square root of 672825685 is about 25938.8836498412. The cubic root of 672825685 is about 876.2624215528.

The spelling of 672825685 in words is "six hundred seventy-two million, eight hundred twenty-five thousand, six hundred eighty-five".