25772442 has 48 divisors (see below), whose sum is σ = 55702080. Its totient is φ = 7946752.

The previous prime is 25772423. The next prime is 25772533. The reversal of 25772442 is 24427752.

It is a happy 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, 154243 + ... + 154409.

It is an arithmetic number, because the mean of its divisors is an integer number (1160460).

Almost surely, 2^25772442 is an apocalyptic number.

25772442 is an abundant number, since it is smaller than the sum of its proper divisors (29929638).

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

25772442 is a wasteful number, since it uses less digits than its factorization.

25772442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 278 counting only the distinct ones).

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

The square root of 25772442 is about 5076.6565769215. The cubic root of 25772442 is about 295.3827914029.

The spelling of 25772442 in words is "twenty-five million, seven hundred seventy-two thousand, four hundred forty-two".