25446472 has 32 divisors (see below), whose sum is σ = 50853600. Its totient is φ = 11902464.

The previous prime is 25446469. The next prime is 25446479. The reversal of 25446472 is 27464452.

It is not an unprimeable number, because it can be changed into a prime (25446479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11608 + ... + 13624.

It is an arithmetic number, because the mean of its divisors is an integer number (1589175).

Almost surely, 2^25446472 is an apocalyptic number.

It is an amenable number.

25446472 is a deficient number, since it is larger than the sum of its proper divisors (25407128).

25446472 is a wasteful number, since it uses less digits than its factorization.

25446472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125 (or 2121 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 25446472 is about 5044.4496231006. The cubic root of 25446472 is about 294.1321694288.

The spelling of 25446472 in words is "twenty-five million, four hundred forty-six thousand, four hundred seventy-two".