672229925 has 12 divisors (see below), whose sum is σ = 835811460. Its totient is φ = 536334720.

The previous prime is 672229913. The next prime is 672229933. The reversal of 672229925 is 529922276.

It can be written as a sum of positive squares in 6 ways, for example, as 279841 + 671950084 = 529^2 + 25922^2 .

It is not a de Polignac number, because 672229925 - 2¹⁸ = 671967781 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26720 + ... + 45369.

It is an arithmetic number, because the mean of its divisors is an integer number (69650955).

Almost surely, 2^672229925 is an apocalyptic number.

It is an amenable number.

672229925 is a deficient number, since it is larger than the sum of its proper divisors (163581535).

672229925 is a wasteful number, since it uses less digits than its factorization.

672229925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72472 (or 72467 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 672229925 is about 25927.3971890740. The cubic root of 672229925 is about 876.0037135050.

The spelling of 672229925 in words is "six hundred seventy-two million, two hundred twenty-nine thousand, nine hundred twenty-five".