25740763 has 4 divisors (see below), whose sum is σ = 27095560. Its totient is φ = 24385968.

The previous prime is 25740751. The next prime is 25740769. The reversal of 25740763 is 36704752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-25740763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25740769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677370 + ... + 677407.

It is an arithmetic number, because the mean of its divisors is an integer number (6773890).

Almost surely, 2^25740763 is an apocalyptic number.

25740763 is a deficient number, since it is larger than the sum of its proper divisors (1354797).

25740763 is a wasteful number, since it uses less digits than its factorization.

25740763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354796.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 25740763 is about 5073.5355522554. The cubic root of 25740763 is about 295.2617154611.

The spelling of 25740763 in words is "twenty-five million, seven hundred forty thousand, seven hundred sixty-three".