25728082 has 16 divisors (see below), whose sum is σ = 39647232. Its totient is φ = 12515680.

The previous prime is 25728077. The next prime is 25728107. The reversal of 25728082 is 28082752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17238 + ... + 18670.

It is an arithmetic number, because the mean of its divisors is an integer number (2477952).

Almost surely, 2^25728082 is an apocalyptic number.

25728082 is a deficient number, since it is larger than the sum of its proper divisors (13919150).

25728082 is a wasteful number, since it uses less digits than its factorization.

25728082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 25728082 is about 5072.2856780745. The cubic root of 25728082 is about 295.2132213167.

The spelling of 25728082 in words is "twenty-five million, seven hundred twenty-eight thousand, eighty-two".