25673572 has 12 divisors (see below), whose sum is σ = 45392620. Its totient is φ = 12704256.

The previous prime is 25673561. The next prime is 25673573. The reversal of 25673572 is 27537652.

It can be written as a sum of positive squares in 2 ways, for example, as 12013156 + 13660416 = 3466^2 + 3696^2 .

It is not an unprimeable number, because it can be changed into a prime (25673573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32697 + ... + 33472.

Almost surely, 2^25673572 is an apocalyptic number.

It is an amenable number.

25673572 is a deficient number, since it is larger than the sum of its proper divisors (19719048).

25673572 is a wasteful number, since it uses less digits than its factorization.

25673572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66270 (or 66268 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 25673572 is about 5066.9095117241. The cubic root of 25673572 is about 295.0045848181.

The spelling of 25673572 in words is "twenty-five million, six hundred seventy-three thousand, five hundred seventy-two".