25768432 has 10 divisors (see below), whose sum is σ = 49926368. Its totient is φ = 12884208.

The previous prime is 25768423. The next prime is 25768439. The reversal of 25768432 is 23486752.

It is a junction number, because it is equal to n+sod(n) for n = 25768391 and 25768400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25768439) 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 as a sum of consecutive naturals, namely, 805248 + ... + 805279.

Almost surely, 2^25768432 is an apocalyptic number.

It is an amenable number.

25768432 is a deficient number, since it is larger than the sum of its proper divisors (24157936).

25768432 is a wasteful number, since it uses less digits than its factorization.

25768432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610535 (or 1610529 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 25768432 is about 5076.2616165836. The cubic root of 25768432 is about 295.3674708209.

The spelling of 25768432 in words is "twenty-five million, seven hundred sixty-eight thousand, four hundred thirty-two".