25078272 has 80 divisors (see below), whose sum is σ = 69236640. Its totient is φ = 8056832.

The previous prime is 25078217. The next prime is 25078321. The reversal of 25078272 is 27287052.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44263 + ... + 44825.

It is an arithmetic number, because the mean of its divisors is an integer number (865458).

Almost surely, 2^25078272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25078272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34618320).

25078272 is an abundant number, since it is smaller than the sum of its proper divisors (44158368).

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

25078272 is an equidigital number, since it uses as much as digits as its factorization.

25078272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 25078272 is about 5007.8210830660. The cubic root of 25078272 is about 292.7066141913.

The spelling of 25078272 in words is "twenty-five million, seventy-eight thousand, two hundred seventy-two".