25370880 has 72 divisors (see below), whose sum is σ = 81040512. Its totient is φ = 6764544.

The previous prime is 25370879. The next prime is 25370881. The reversal of 25370880 is 8807352.

It is an interprime number because it is at equal distance from previous prime (25370879) and next prime (25370881).

It is not an unprimeable number, because it can be changed into a prime (25370881) 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, 537 + ... + 7143.

Almost surely, 2^25370880 is an apocalyptic number.

25370880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25370880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40520256).

25370880 is an abundant number, since it is smaller than the sum of its proper divisors (55669632).

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

25370880 is an equidigital number, since it uses as much as digits as its factorization.

25370880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 25370880 is about 5036.9514589680. The cubic root of 25370880 is about 293.8406281402.

The spelling of 25370880 in words is "twenty-five million, three hundred seventy thousand, eight hundred eighty".