25748742 has 16 divisors (see below), whose sum is σ = 51904512. Its totient is φ = 8515080.

The previous prime is 25748741. The next prime is 25748773. The reversal of 25748742 is 24784752.

It is a self number, because there is not a number n which added to its sum of digits gives 25748742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25748741) 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, 16134 + ... + 17657.

It is an arithmetic number, because the mean of its divisors is an integer number (3244032).

Almost surely, 2^25748742 is an apocalyptic number.

25748742 is an abundant number, since it is smaller than the sum of its proper divisors (26155770).

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

25748742 is a wasteful number, since it uses less digits than its factorization.

25748742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33923.

The product of its digits is 125440, while the sum is 39.

The square root of 25748742 is about 5074.3218266090. The cubic root of 25748742 is about 295.2922202529.

The spelling of 25748742 in words is "twenty-five million, seven hundred forty-eight thousand, seven hundred forty-two".