25677930 has 48 divisors (see below), whose sum is σ = 65068704. Its totient is φ = 6484320.

The previous prime is 25677929. The next prime is 25677941. The reversal of 25677930 is 3977652.

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, 9645 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (1355598).

Almost surely, 2^25677930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25677930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32534352).

25677930 is an abundant number, since it is smaller than the sum of its proper divisors (39390774).

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

25677930 is a wasteful number, since it uses less digits than its factorization.

25677930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 25677930 is about 5067.3395386534. The cubic root of 25677930 is about 295.0212758762.

The spelling of 25677930 in words is "twenty-five million, six hundred seventy-seven thousand, nine hundred thirty".