672235725 has 48 divisors (see below), whose sum is σ = 1272601088. Its totient is φ = 306728640.

The previous prime is 672235693. The next prime is 672235763. The reversal of 672235725 is 527532276.

It is not a de Polignac number, because 672235725 - 2⁵ = 672235693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412362 + ... + 413988.

Almost surely, 2^672235725 is an apocalyptic number.

It is an amenable number.

672235725 is a deficient number, since it is larger than the sum of its proper divisors (600365363).

672235725 is a wasteful number, since it uses less digits than its factorization.

672235725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2429 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 672235725 is about 25927.5090396282. The cubic root of 672235725 is about 876.0062328845.

The spelling of 672235725 in words is "six hundred seventy-two million, two hundred thirty-five thousand, seven hundred twenty-five".