25427712 has 72 divisors (see below), whose sum is σ = 68506704. Its totient is φ = 8372224.

The previous prime is 25427711. The next prime is 25427723. The reversal of 25427712 is 21772452.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25427712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25427711) 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, 86638 + ... + 86930.

It is an arithmetic number, because the mean of its divisors is an integer number (951482).

Almost surely, 2^25427712 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 25427712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34253352).

25427712 is an abundant number, since it is smaller than the sum of its proper divisors (43078992).

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

25427712 is a wasteful number, since it uses less digits than its factorization.

25427712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 411 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 25427712 is about 5042.5898108016. The cubic root of 25427712 is about 294.0598702636.

It can be divided in two parts, 254 and 27712, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 25427712 in words is "twenty-five million, four hundred twenty-seven thousand, seven hundred twelve".