25673632 has 24 divisors (see below), whose sum is σ = 50819076. Its totient is φ = 12767232.

The previous prime is 25673603. The next prime is 25673633. The reversal of 25673632 is 23637652.

It can be written as a sum of positive squares in 2 ways, for example, as 25040016 + 633616 = 5004^2 + 796^2 .

It is not an unprimeable number, because it can be changed into a prime (25673633) 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, 4098 + ... + 8254.

Almost surely, 2^25673632 is an apocalyptic number.

It is an amenable number.

25673632 is a deficient number, since it is larger than the sum of its proper divisors (25145444).

25673632 is a wasteful number, since it uses less digits than its factorization.

25673632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360 (or 4352 counting only the distinct ones).

The product of its digits is 45360, while the sum is 34.

The square root of 25673632 is about 5066.9154324895. The cubic root of 25673632 is about 295.0048146298.

The spelling of 25673632 in words is "twenty-five million, six hundred seventy-three thousand, six hundred thirty-two".