26740313 has 4 divisors (see below), whose sum is σ = 26904528. Its totient is φ = 26576100.

The previous prime is 26740297. The next prime is 26740319. The reversal of 26740313 is 31304762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31304762 = 2 ⋅15652381.

It is a cyclic number.

It is not a de Polignac number, because 26740313 - 2⁴ = 26740297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26740319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81863 + ... + 82188.

It is an arithmetic number, because the mean of its divisors is an integer number (6726132).

Almost surely, 2^26740313 is an apocalyptic number.

It is an amenable number.

26740313 is a deficient number, since it is larger than the sum of its proper divisors (164215).

26740313 is a wasteful number, since it uses less digits than its factorization.

26740313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164214.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 26740313 is about 5171.1036539601. The cubic root of 26740313 is about 299.0350961588.

The spelling of 26740313 in words is "twenty-six million, seven hundred forty thousand, three hundred thirteen".