26920073 has 2 divisors, whose sum is σ = 26920074. Its totient is φ = 26920072.

The previous prime is 26920039. The next prime is 26920099. The reversal of 26920073 is 37002962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24720784 + 2199289 = 4972^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 26920073 - 2¹⁰ = 26919049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26920973) 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, 13460036 + 13460037.

It is an arithmetic number, because the mean of its divisors is an integer number (13460037).

Almost surely, 2^26920073 is an apocalyptic number.

It is an amenable number.

26920073 is a deficient number, since it is larger than the sum of its proper divisors (1).

26920073 is an equidigital number, since it uses as much as digits as its factorization.

26920073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 26920073 is about 5188.4557432824. The cubic root of 26920073 is about 299.7036814882.

The spelling of 26920073 in words is "twenty-six million, nine hundred twenty thousand, seventy-three".