25322742 has 48 divisors (see below), whose sum is σ = 57330000. Its totient is φ = 8068032.

The previous prime is 25322683. The next prime is 25322761. The reversal of 25322742 is 24722352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72384 + ... + 72732.

It is an arithmetic number, because the mean of its divisors is an integer number (1194375).

Almost surely, 2^25322742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25322742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28665000).

25322742 is an abundant number, since it is smaller than the sum of its proper divisors (32007258).

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

25322742 is a wasteful number, since it uses less digits than its factorization.

25322742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 25322742 is about 5032.1707045767. The cubic root of 25322742 is about 293.6546688088.

The spelling of 25322742 in words is "twenty-five million, three hundred twenty-two thousand, seven hundred forty-two".