26090071 has 4 divisors (see below), whose sum is σ = 29817232. Its totient is φ = 22362912.

The previous prime is 26090039. The next prime is 26090081. The reversal of 26090071 is 17009062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26090071 - 2⁵ = 26090039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26090081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1863570 + ... + 1863583.

It is an arithmetic number, because the mean of its divisors is an integer number (7454308).

Almost surely, 2^26090071 is an apocalyptic number.

26090071 is a deficient number, since it is larger than the sum of its proper divisors (3727161).

26090071 is an equidigital number, since it uses as much as digits as its factorization.

26090071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727160.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 26090071 is about 5107.8440657483. The cubic root of 26090071 is about 296.5913086941.

The spelling of 26090071 in words is "twenty-six million, ninety thousand, seventy-one".