672431125 has 8 divisors (see below), whose sum is σ = 839194200. Its totient is φ = 537944800.

The previous prime is 672431117. The next prime is 672431129. The reversal of 672431125 is 521134276.

It can be written as a sum of positive squares in 4 ways, for example, as 23251684 + 649179441 = 4822^2 + 25479^2 .

It is not a de Polignac number, because 672431125 - 2³ = 672431117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672431129) 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, 2689600 + ... + 2689849.

It is an arithmetic number, because the mean of its divisors is an integer number (104899275).

Almost surely, 2^672431125 is an apocalyptic number.

It is an amenable number.

672431125 is a deficient number, since it is larger than the sum of its proper divisors (166763075).

672431125 is an equidigital number, since it uses as much as digits as its factorization.

672431125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379464 (or 5379454 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 672431125 is about 25931.2769643147. The cubic root of 672431125 is about 876.0911014454.

The spelling of 672431125 in words is "six hundred seventy-two million, four hundred thirty-one thousand, one hundred twenty-five".