25869738 has 16 divisors (see below), whose sum is σ = 51829056. Its totient is φ = 8608320.

The previous prime is 25869731. The next prime is 25869743. The reversal of 25869738 is 83796852.

It is not an unprimeable number, because it can be changed into a prime (25869731) 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, 370 + ... + 7202.

It is an arithmetic number, because the mean of its divisors is an integer number (3239316).

Almost surely, 2^25869738 is an apocalyptic number.

25869738 is an abundant number, since it is smaller than the sum of its proper divisors (25959318).

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

25869738 is a wasteful number, since it uses less digits than its factorization.

25869738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469.

The product of its digits is 725760, while the sum is 48.

The square root of 25869738 is about 5086.2302346630. The cubic root of 25869738 is about 295.7540338578.

It can be divided in two parts, 258 and 69738, that added together give a palindrome (69996).

The spelling of 25869738 in words is "twenty-five million, eight hundred sixty-nine thousand, seven hundred thirty-eight".