25672757 has 4 divisors (see below), whose sum is σ = 28006656. Its totient is φ = 23338860.

The previous prime is 25672733. The next prime is 25672769. The reversal of 25672757 is 75727652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25672757 - 2⁶ = 25672693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672657) 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, 1166933 + ... + 1166954.

It is an arithmetic number, because the mean of its divisors is an integer number (7001664).

Almost surely, 2^25672757 is an apocalyptic number.

It is an amenable number.

25672757 is a deficient number, since it is larger than the sum of its proper divisors (2333899).

25672757 is a wasteful number, since it uses less digits than its factorization.

25672757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333898.

The product of its digits is 205800, while the sum is 41.

The square root of 25672757 is about 5066.8290873089. The cubic root of 25672757 is about 295.0014631738.

The spelling of 25672757 in words is "twenty-five million, six hundred seventy-two thousand, seven hundred fifty-seven".