25274742 has 8 divisors (see below), whose sum is σ = 50549496. Its totient is φ = 8424912.

The previous prime is 25274729. The next prime is 25274771. The reversal of 25274742 is 24747252.

It is a happy number.

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

25274742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106223 + ... + 2106234.

It is an arithmetic number, because the mean of its divisors is an integer number (6318687).

Almost surely, 2^25274742 is an apocalyptic number.

25274742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25274742 is a wasteful number, since it uses less digits than its factorization.

25274742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212462.

The product of its digits is 31360, while the sum is 33.

The square root of 25274742 is about 5027.3991287742. The cubic root of 25274742 is about 293.4690077722.

The spelling of 25274742 in words is "twenty-five million, two hundred seventy-four thousand, seven hundred forty-two".