25416672 has 24 divisors (see below), whose sum is σ = 66719016. Its totient is φ = 8472192.

The previous prime is 25416617. The next prime is 25416691. The reversal of 25416672 is 27661452.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132283 + ... + 132474.

It is an arithmetic number, because the mean of its divisors is an integer number (2779959).

Almost surely, 2^25416672 is an apocalyptic number.

It is an amenable number.

25416672 is an abundant number, since it is smaller than the sum of its proper divisors (41302344).

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

25416672 is a wasteful number, since it uses less digits than its factorization.

25416672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264770 (or 264762 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 25416672 is about 5041.4950163617. The cubic root of 25416672 is about 294.0173065845.

The spelling of 25416672 in words is "twenty-five million, four hundred sixteen thousand, six hundred seventy-two".