25675740 has 72 divisors (see below), whose sum is σ = 79082640. Its totient is φ = 6741504.

The previous prime is 25675739. The next prime is 25675753. The reversal of 25675740 is 4757652.

25675740 is a `hidden beast` number, since 2 + 567 + 57 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 25675695 and 25675704.

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, 10996 + ... + 13124.

It is an arithmetic number, because the mean of its divisors is an integer number (1098370).

Almost surely, 2^25675740 is an apocalyptic number.

25675740 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 25675740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39541320).

25675740 is an abundant number, since it is smaller than the sum of its proper divisors (53406900).

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

25675740 is a wasteful number, since it uses less digits than its factorization.

25675740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 25675740 is about 5067.1234443222. The cubic root of 25675740 is about 295.0128884535.

The spelling of 25675740 in words is "twenty-five million, six hundred seventy-five thousand, seven hundred forty".