26682641 has 4 divisors (see below), whose sum is σ = 26736192. Its totient is φ = 26629092.

The previous prime is 26682637. The next prime is 26682647. The reversal of 26682641 is 14628662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14628662 = 2 ⋅7314331.

It is a cyclic number.

It is not a de Polignac number, because 26682641 - 2² = 26682637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26682647) 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 in 3 ways as a sum of consecutive naturals, for example, 26021 + ... + 27026.

It is an arithmetic number, because the mean of its divisors is an integer number (6684048).

Almost surely, 2^26682641 is an apocalyptic number.

It is an amenable number.

26682641 is a deficient number, since it is larger than the sum of its proper divisors (53551).

26682641 is an equidigital number, since it uses as much as digits as its factorization.

26682641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53550.

The product of its digits is 27648, while the sum is 35.

The square root of 26682641 is about 5165.5242715527. The cubic root of 26682641 is about 298.8199607400.

The spelling of 26682641 in words is "twenty-six million, six hundred eighty-two thousand, six hundred forty-one".