25920472 has 16 divisors (see below), whose sum is σ = 48850560. Its totient is φ = 12893664.

The previous prime is 25920457. The next prime is 25920473. The reversal of 25920472 is 27402952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25920473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6648 + ... + 9799.

It is an arithmetic number, because the mean of its divisors is an integer number (3053160).

Almost surely, 2^25920472 is an apocalyptic number.

It is an amenable number.

25920472 is a deficient number, since it is larger than the sum of its proper divisors (22930088).

25920472 is a wasteful number, since it uses less digits than its factorization.

25920472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650 (or 16646 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 25920472 is about 5091.2151791100. The cubic root of 25920472 is about 295.9472452854.

The spelling of 25920472 in words is "twenty-five million, nine hundred twenty thousand, four hundred seventy-two".