25173672 has 32 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 8186240.

The previous prime is 25173671. The next prime is 25173679. The reversal of 25173672 is 27637152.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25173671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11808 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (2014740).

Almost surely, 2^25173672 is an apocalyptic number.

It is an amenable number.

25173672 is an abundant number, since it is smaller than the sum of its proper divisors (39298008).

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

25173672 is a wasteful number, since it uses less digits than its factorization.

25173672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25633 (or 25629 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 25173672 is about 5017.3371423495. The cubic root of 25173672 is about 293.0773052939.

The spelling of 25173672 in words is "twenty-five million, one hundred seventy-three thousand, six hundred seventy-two".