25374780 has 72 divisors (see below), whose sum is σ = 78265824. Its totient is φ = 6652800.

The previous prime is 25374763. The next prime is 25374793. The reversal of 25374780 is 8747352.

25374780 is a `hidden beast` number, since 2 + 537 + 47 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9825 + ... + 12135.

Almost surely, 2^25374780 is an apocalyptic number.

25374780 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 25374780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39132912).

25374780 is an abundant number, since it is smaller than the sum of its proper divisors (52891044).

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

25374780 is a wasteful number, since it uses less digits than its factorization.

25374780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 25374780 is about 5037.3385830218. The cubic root of 25374780 is about 293.8556837175.

The spelling of 25374780 in words is "twenty-five million, three hundred seventy-four thousand, seven hundred eighty".