26704091 has 2 divisors, whose sum is σ = 26704092. Its totient is φ = 26704090.

The previous prime is 26704061. The next prime is 26704109. The reversal of 26704091 is 19040762.

Together with next prime (26704109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26704091 is a prime.

It is a super-2 number, since 2×26704091² = 1426216952272562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26704001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13352045 + 13352046.

It is an arithmetic number, because the mean of its divisors is an integer number (13352046).

Almost surely, 2^26704091 is an apocalyptic number.

26704091 is a deficient number, since it is larger than the sum of its proper divisors (1).

26704091 is an equidigital number, since it uses as much as digits as its factorization.

26704091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 26704091 is about 5167.6001199783. The cubic root of 26704091 is about 298.9000124280.

The spelling of 26704091 in words is "twenty-six million, seven hundred four thousand, ninety-one".