26790073 has 2 divisors, whose sum is σ = 26790074. Its totient is φ = 26790072.

The previous prime is 26790053. The next prime is 26790077. The reversal of 26790073 is 37009762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 3286969 = 4848^2 + 1813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26790073 is a prime.

It is a super-2 number, since 2×26790073² = 1435416022690658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26790077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13395036 + 13395037.

It is an arithmetic number, because the mean of its divisors is an integer number (13395037).

Almost surely, 2^26790073 is an apocalyptic number.

It is an amenable number.

26790073 is a deficient number, since it is larger than the sum of its proper divisors (1).

26790073 is an equidigital number, since it uses as much as digits as its factorization.

26790073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 26790073 is about 5175.9127697441. The cubic root of 26790073 is about 299.2204687840.

The spelling of 26790073 in words is "twenty-six million, seven hundred ninety thousand, seventy-three".