25727234 has 32 divisors (see below), whose sum is σ = 43470000. Its totient is φ = 11337984.

The previous prime is 25727231. The next prime is 25727257. The reversal of 25727234 is 43272752.

It can be written as a sum of positive squares in 8 ways, for example, as 9284209 + 16443025 = 3047^2 + 4055^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25727234.

It is not an unprimeable number, because it can be changed into a prime (25727231) 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 15 ways as a sum of consecutive naturals, for example, 112232 + ... + 112460.

Almost surely, 2^25727234 is an apocalyptic number.

25727234 is a deficient number, since it is larger than the sum of its proper divisors (17742766).

25727234 is a wasteful number, since it uses less digits than its factorization.

25727234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its digits is 23520, while the sum is 32.

The square root of 25727234 is about 5072.2020858795. The cubic root of 25727234 is about 295.2099778626.

Adding to 25727234 its reverse (43272752), we get a palindrome (68999986).

The spelling of 25727234 in words is "twenty-five million, seven hundred twenty-seven thousand, two hundred thirty-four".