672426885 has 32 divisors (see below), whose sum is σ = 1183311360. Its totient is φ = 323993088.

The previous prime is 672426883. The next prime is 672426889. The reversal of 672426885 is 588624276.

It is not a de Polignac number, because 672426885 - 2¹ = 672426883 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672426883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27520 + ... + 45849.

It is an arithmetic number, because the mean of its divisors is an integer number (36978480).

Almost surely, 2^672426885 is an apocalyptic number.

672426885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

672426885 is a deficient number, since it is larger than the sum of its proper divisors (510884475).

672426885 is a wasteful number, since it uses less digits than its factorization.

672426885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73437.

The product of its digits is 1290240, while the sum is 48.

The square root of 672426885 is about 25931.1952096312. The cubic root of 672426885 is about 876.0892600503.

The spelling of 672426885 in words is "six hundred seventy-two million, four hundred twenty-six thousand, eight hundred eighty-five".