25672767 has 4 divisors (see below), whose sum is σ = 34230360. Its totient is φ = 17115176.

The previous prime is 25672733. The next prime is 25672769. The reversal of 25672767 is 76727652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25672767 - 2¹⁰ = 25671743 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672769) 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, 4278792 + ... + 4278797.

It is an arithmetic number, because the mean of its divisors is an integer number (8557590).

Almost surely, 2^25672767 is an apocalyptic number.

25672767 is a deficient number, since it is larger than the sum of its proper divisors (8557593).

25672767 is an equidigital number, since it uses as much as digits as its factorization.

25672767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557592.

The product of its digits is 246960, while the sum is 42.

The square root of 25672767 is about 5066.8300741193. The cubic root of 25672767 is about 295.0015014766.

The spelling of 25672767 in words is "twenty-five million, six hundred seventy-two thousand, seven hundred sixty-seven".