25703642 has 16 divisors (see below), whose sum is σ = 39795840. Its totient is φ = 12444288.

The previous prime is 25703549. The next prime is 25703651. The reversal of 25703642 is 24630752.

25703642 is nontrivially palindromic in base 5.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7709 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (2487240).

Almost surely, 2^25703642 is an apocalyptic number.

25703642 is a deficient number, since it is larger than the sum of its proper divisors (14092198).

25703642 is a wasteful number, since it uses less digits than its factorization.

25703642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 25703642 is about 5069.8759353657. The cubic root of 25703642 is about 295.1197139327.

The spelling of 25703642 in words is "twenty-five million, seven hundred three thousand, six hundred forty-two".