26728043 has 2 divisors, whose sum is σ = 26728044. Its totient is φ = 26728042.

The previous prime is 26728033. The next prime is 26728049. The reversal of 26728043 is 34082762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26728043 - 2¹⁸ = 26465899 is a prime.

It is not a weakly prime, because it can be changed into another prime (26728049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13364021 + 13364022.

It is an arithmetic number, because the mean of its divisors is an integer number (13364022).

Almost surely, 2^26728043 is an apocalyptic number.

26728043 is a deficient number, since it is larger than the sum of its proper divisors (1).

26728043 is an equidigital number, since it uses as much as digits as its factorization.

26728043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 26728043 is about 5169.9171173240. The cubic root of 26728043 is about 298.9893509703.

The spelling of 26728043 in words is "twenty-six million, seven hundred twenty-eight thousand, forty-three".