25726430 has 16 divisors (see below), whose sum is σ = 46391184. Its totient is φ = 10272000.

The previous prime is 25726411. The next prime is 25726447. The reversal of 25726430 is 3462752.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 25726393 and 25726402.

It is a congruent number.

It is an unprimeable number.

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, 4430 + ... + 8430.

It is an arithmetic number, because the mean of its divisors is an integer number (2899449).

Almost surely, 2^25726430 is an apocalyptic number.

25726430 is a deficient number, since it is larger than the sum of its proper divisors (20664754).

25726430 is a wasteful number, since it uses less digits than its factorization.

25726430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 25726430 is about 5072.1228297430. The cubic root of 25726430 is about 295.2069026350.

The spelling of 25726430 in words is "twenty-five million, seven hundred twenty-six thousand, four hundred thirty".