25714688 has 56 divisors (see below), whose sum is σ = 53343048. Its totient is φ = 12386304.

The previous prime is 25714651. The next prime is 25714697. The reversal of 25714688 is 88641752.

It is a super-2 number, since 2×25714688² = 1322490357874688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352220 + ... + 352292.

Almost surely, 2^25714688 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 25714688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26671524).

25714688 is an abundant number, since it is smaller than the sum of its proper divisors (27628360).

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

25714688 is an frugal number, since it uses more digits than its factorization.

25714688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 118 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 25714688 is about 5070.9651941223. The cubic root of 25714688 is about 295.1619832409.

The spelling of 25714688 in words is "twenty-five million, seven hundred fourteen thousand, six hundred eighty-eight".