25782634 has 8 divisors (see below), whose sum is σ = 38969568. Its totient is φ = 12792780.

The previous prime is 25782619. The next prime is 25782637. The reversal of 25782634 is 43628752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25782593 and 25782602.

It is not an unprimeable number, because it can be changed into a prime (25782637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48942 + ... + 49465.

It is an arithmetic number, because the mean of its divisors is an integer number (4871196).

Almost surely, 2^25782634 is an apocalyptic number.

25782634 is a deficient number, since it is larger than the sum of its proper divisors (13186934).

25782634 is a wasteful number, since it uses less digits than its factorization.

25782634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98540.

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

The square root of 25782634 is about 5077.6602879673. The cubic root of 25782634 is about 295.4217237458.

The spelling of 25782634 in words is "twenty-five million, seven hundred eighty-two thousand, six hundred thirty-four".