25537672 has 32 divisors (see below), whose sum is σ = 53373600. Its totient is φ = 11384064.

The previous prime is 25537651. The next prime is 25537693. The reversal of 25537672 is 27673552.

It is an interprime number because it is at equal distance from previous prime (25537651) and next prime (25537693).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (1667925).

Almost surely, 2^25537672 is an apocalyptic number.

It is an amenable number.

25537672 is an abundant number, since it is smaller than the sum of its proper divisors (27835928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25537672 is a wasteful number, since it uses less digits than its factorization.

25537672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925 (or 9921 counting only the distinct ones).

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

The square root of 25537672 is about 5053.4811763773. The cubic root of 25537672 is about 294.4831397690.

The spelling of 25537672 in words is "twenty-five million, five hundred thirty-seven thousand, six hundred seventy-two".