26968481 has 4 divisors (see below), whose sum is σ = 27838464. Its totient is φ = 26098500.

The previous prime is 26968471. The next prime is 26968483. The reversal of 26968481 is 18486962.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26968481 is a prime.

It is a super-2 number, since 2×26968481² = 1454597934894722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26968483) 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, 434945 + ... + 435006.

It is an arithmetic number, because the mean of its divisors is an integer number (6959616).

Almost surely, 2^26968481 is an apocalyptic number.

It is an amenable number.

26968481 is a deficient number, since it is larger than the sum of its proper divisors (869983).

26968481 is an equidigital number, since it uses as much as digits as its factorization.

26968481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869982.

The product of its digits is 165888, while the sum is 44.

The square root of 26968481 is about 5193.1186198661. The cubic root of 26968481 is about 299.8832175084.

The spelling of 26968481 in words is "twenty-six million, nine hundred sixty-eight thousand, four hundred eighty-one".