25726842 has 16 divisors (see below), whose sum is σ = 57170880. Its totient is φ = 8575596.

The previous prime is 25726837. The next prime is 25726849. The reversal of 25726842 is 24862752.

25726842 is a `hidden beast` number, since 2 + 572 + 6 + 84 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25726797 and 25726806.

It is not an unprimeable number, because it can be changed into a prime (25726849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238158 + ... + 238265.

It is an arithmetic number, because the mean of its divisors is an integer number (3573180).

Almost surely, 2^25726842 is an apocalyptic number.

25726842 is an abundant number, since it is smaller than the sum of its proper divisors (31444038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25726842 is a wasteful number, since it uses less digits than its factorization.

25726842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476434 (or 476428 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25726842 is about 5072.1634437388. The cubic root of 25726842 is about 295.2084785059.

The spelling of 25726842 in words is "twenty-five million, seven hundred twenty-six thousand, eight hundred forty-two".