25672737 has 12 divisors (see below), whose sum is σ = 36363536. Its totient is φ = 16107840.

The previous prime is 25672733. The next prime is 25672769. The reversal of 25672737 is 73727652.

It is not a de Polignac number, because 25672737 - 2² = 25672733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25672695 and 25672704.

It is not an unprimeable number, because it can be changed into a prime (25672733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13939 + ... + 15672.

Almost surely, 2^25672737 is an apocalyptic number.

It is an amenable number.

25672737 is a deficient number, since it is larger than the sum of its proper divisors (10690799).

25672737 is a wasteful number, since it uses less digits than its factorization.

25672737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29648 (or 29631 counting only the distinct ones).

The product of its digits is 123480, while the sum is 39.

The square root of 25672737 is about 5066.8271136876. The cubic root of 25672737 is about 295.0013865682.

The spelling of 25672737 in words is "twenty-five million, six hundred seventy-two thousand, seven hundred thirty-seven".