26272445 has 4 divisors (see below), whose sum is σ = 31526940. Its totient is φ = 21017952.

The previous prime is 26272439. The next prime is 26272447. The reversal of 26272445 is 54427262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20693401 + 5579044 = 4549^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 26272445 - 2¹⁸ = 26010301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26272447) 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 3 ways as a sum of consecutive naturals, for example, 2627240 + ... + 2627249.

It is an arithmetic number, because the mean of its divisors is an integer number (7881735).

Almost surely, 2^26272445 is an apocalyptic number.

It is an amenable number.

26272445 is a deficient number, since it is larger than the sum of its proper divisors (5254495).

26272445 is an equidigital number, since it uses as much as digits as its factorization.

26272445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254494.

The product of its digits is 26880, while the sum is 32.

The square root of 26272445 is about 5125.6653226679. The cubic root of 26272445 is about 297.2807791124.

The spelling of 26272445 in words is "twenty-six million, two hundred seventy-two thousand, four hundred forty-five".