25725678 has 16 divisors (see below), whose sum is σ = 56128896. Its totient is φ = 7795640.

The previous prime is 25725673. The next prime is 25725751. The reversal of 25725678 is 87652752.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25725671) 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, 194826 + ... + 194957.

It is an arithmetic number, because the mean of its divisors is an integer number (3508056).

Almost surely, 2^25725678 is an apocalyptic number.

25725678 is an abundant number, since it is smaller than the sum of its proper divisors (30403218).

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

25725678 is a wasteful number, since it uses less digits than its factorization.

25725678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389799.

The product of its digits is 235200, while the sum is 42.

The square root of 25725678 is about 5072.0486985044. The cubic root of 25725678 is about 295.2040262448.

The spelling of 25725678 in words is "twenty-five million, seven hundred twenty-five thousand, six hundred seventy-eight".