25940742 has 32 divisors (see below), whose sum is σ = 55199232. Its totient is φ = 8098944.

The previous prime is 25940731. The next prime is 25940749. The reversal of 25940742 is 24704952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25940749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26343 + ... + 27309.

It is an arithmetic number, because the mean of its divisors is an integer number (1724976).

Almost surely, 2^25940742 is an apocalyptic number.

25940742 is an abundant number, since it is smaller than the sum of its proper divisors (29258490).

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

25940742 is a wasteful number, since it uses less digits than its factorization.

25940742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 25940742 is about 5093.2054739623. The cubic root of 25940742 is about 296.0243694935.

The spelling of 25940742 in words is "twenty-five million, nine hundred forty thousand, seven hundred forty-two".