25729675 has 12 divisors (see below), whose sum is σ = 32383096. Its totient is φ = 20275200.

The previous prime is 25729661. The next prime is 25729679. The reversal of 25729675 is 57692752.

It is not a de Polignac number, because 25729675 - 2⁷ = 25729547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25729679) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6006 + ... + 9355.

Almost surely, 2^25729675 is an apocalyptic number.

25729675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25729675 is a deficient number, since it is larger than the sum of its proper divisors (6653421).

25729675 is a wasteful number, since it uses less digits than its factorization.

25729675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438 (or 15433 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 25729675 is about 5072.4427054428. The cubic root of 25729675 is about 295.2193140750.

The spelling of 25729675 in words is "twenty-five million, seven hundred twenty-nine thousand, six hundred seventy-five".