25765738 has 8 divisors (see below), whose sum is σ = 39377988. Its totient is φ = 12639744.

The previous prime is 25765723. The next prime is 25765739. The reversal of 25765738 is 83756752.

It can be written as a sum of positive squares in 2 ways, for example, as 25633969 + 131769 = 5063^2 + 363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25765694 and 25765703.

It is not an unprimeable number, because it can be changed into a prime (25765739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121431 + ... + 121642.

Almost surely, 2^25765738 is an apocalyptic number.

25765738 is a deficient number, since it is larger than the sum of its proper divisors (13612250).

25765738 is a wasteful number, since it uses less digits than its factorization.

25765738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243128.

The product of its digits is 352800, while the sum is 43.

The square root of 25765738 is about 5075.9962568938. The cubic root of 25765738 is about 295.3571772481.

The spelling of 25765738 in words is "twenty-five million, seven hundred sixty-five thousand, seven hundred thirty-eight".