26940547 has 2 divisors, whose sum is σ = 26940548. Its totient is φ = 26940546.

The previous prime is 26940533. The next prime is 26940553. The reversal of 26940547 is 74504962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26940547 - 2¹⁵ = 26907779 is a prime.

It is not a weakly prime, because it can be changed into another prime (26940527) 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 as a sum of consecutive naturals, namely, 13470273 + 13470274.

It is an arithmetic number, because the mean of its divisors is an integer number (13470274).

Almost surely, 2^26940547 is an apocalyptic number.

26940547 is a deficient number, since it is larger than the sum of its proper divisors (1).

26940547 is an equidigital number, since it uses as much as digits as its factorization.

26940547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 26940547 is about 5190.4284023576. The cubic root of 26940547 is about 299.7796418843.

The spelling of 26940547 in words is "twenty-six million, nine hundred forty thousand, five hundred forty-seven".