26304745 has 4 divisors (see below), whose sum is σ = 31565700. Its totient is φ = 21043792.

The previous prime is 26304731. The next prime is 26304749. The reversal of 26304745 is 54740362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54740362 = 2 ⋅27370181.

It can be written as a sum of positive squares in 2 ways, for example, as 12938409 + 13366336 = 3597^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 26304745 - 2⁵ = 26304713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26304749) 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 in 3 ways as a sum of consecutive naturals, for example, 2630470 + ... + 2630479.

It is an arithmetic number, because the mean of its divisors is an integer number (7891425).

Almost surely, 2^26304745 is an apocalyptic number.

It is an amenable number.

26304745 is a deficient number, since it is larger than the sum of its proper divisors (5260955).

26304745 is an equidigital number, since it uses as much as digits as its factorization.

26304745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260954.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 26304745 is about 5128.8151653184. The cubic root of 26304745 is about 297.4025573583.

The spelling of 26304745 in words is "twenty-six million, three hundred four thousand, seven hundred forty-five".