672457225 has 24 divisors (see below), whose sum is σ = 923253408. Its totient is φ = 481747200.

The previous prime is 672457213. The next prime is 672457231. The reversal of 672457225 is 522754276.

It is not a de Polignac number, because 672457225 - 2²⁵ = 638902793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177 + ... + 36673.

It is an arithmetic number, because the mean of its divisors is an integer number (38468892).

Almost surely, 2^672457225 is an apocalyptic number.

It is an amenable number.

672457225 is a deficient number, since it is larger than the sum of its proper divisors (250796183).

672457225 is a wasteful number, since it uses less digits than its factorization.

672457225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36585 (or 36580 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 672457225 is about 25931.7802127043. The cubic root of 672457225 is about 876.1024362776.

The spelling of 672457225 in words is "six hundred seventy-two million, four hundred fifty-seven thousand, two hundred twenty-five".