672385845 has 16 divisors (see below), whose sum is σ = 1090556352. Its totient is φ = 353692800.

The previous prime is 672385829. The next prime is 672385849. The reversal of 672385845 is 548583276.

It is not a de Polignac number, because 672385845 - 2⁴ = 672385829 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 672385794 and 672385803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672385849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305931 + ... + 308120.

It is an arithmetic number, because the mean of its divisors is an integer number (68159772).

Almost surely, 2^672385845 is an apocalyptic number.

It is an amenable number.

672385845 is a deficient number, since it is larger than the sum of its proper divisors (418170507).

672385845 is a wasteful number, since it uses less digits than its factorization.

672385845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614132.

The product of its digits is 1612800, while the sum is 48.

The square root of 672385845 is about 25930.4038726743. The cubic root of 672385845 is about 876.0714363357.

The spelling of 672385845 in words is "six hundred seventy-two million, three hundred eighty-five thousand, eight hundred forty-five".