26740943 has 4 divisors (see below), whose sum is σ = 27117648. Its totient is φ = 26364240.

The previous prime is 26740939. The next prime is 26740957. The reversal of 26740943 is 34904762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34904762 = 2 ⋅17452381.

It is a cyclic number.

It is not a de Polignac number, because 26740943 - 2² = 26740939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26740913) 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, 188246 + ... + 188387.

It is an arithmetic number, because the mean of its divisors is an integer number (6779412).

Almost surely, 2^26740943 is an apocalyptic number.

26740943 is a deficient number, since it is larger than the sum of its proper divisors (376705).

26740943 is an equidigital number, since it uses as much as digits as its factorization.

26740943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376704.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 26740943 is about 5171.1645690308. The cubic root of 26740943 is about 299.0374445561.

The spelling of 26740943 in words is "twenty-six million, seven hundred forty thousand, nine hundred forty-three".