25992768 has 56 divisors (see below), whose sum is σ = 69148960. Its totient is φ = 8616960.

The previous prime is 25992767. The next prime is 25992793. The reversal of 25992768 is 86729952.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (25992767) 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, 63348 + ... + 63756.

Almost surely, 2^25992768 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 25992768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34574480).

25992768 is an abundant number, since it is smaller than the sum of its proper divisors (43156192).

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

25992768 is a wasteful number, since it uses less digits than its factorization.

25992768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 745 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 25992768 is about 5098.3103083277. The cubic root of 25992768 is about 296.2221366377. Note that the first 3 decimals are identical.

The spelling of 25992768 in words is "twenty-five million, nine hundred ninety-two thousand, seven hundred sixty-eight".