25769568 has 96 divisors (see below), whose sum is σ = 77075712. Its totient is φ = 7462400.

The previous prime is 25769551. The next prime is 25769573. The reversal of 25769568 is 86596752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23758 + ... + 24818.

It is an arithmetic number, because the mean of its divisors is an integer number (802872).

Almost surely, 2^25769568 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 25769568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38537856).

25769568 is an abundant number, since it is smaller than the sum of its proper divisors (51306144).

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

25769568 is a wasteful number, since it uses less digits than its factorization.

25769568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1100 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 25769568 is about 5076.3735087166. The cubic root of 25769568 is about 295.3718111771.

The spelling of 25769568 in words is "twenty-five million, seven hundred sixty-nine thousand, five hundred sixty-eight".