26973481 has 8 divisors (see below), whose sum is σ = 27771464. Its totient is φ = 26179200.

The previous prime is 26973461. The next prime is 26973491. The reversal of 26973481 is 18437962.

It can be written as a sum of positive squares in 4 ways, for example, as 6579225 + 20394256 = 2565^2 + 4516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26973481 - 2¹⁵ = 26940713 is a prime.

It is a super-2 number, since 2×26973481² = 1455137354514722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26973421) 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 7 ways as a sum of consecutive naturals, for example, 21631 + ... + 22843.

It is an arithmetic number, because the mean of its divisors is an integer number (3471433).

Almost surely, 2^26973481 is an apocalyptic number.

It is an amenable number.

26973481 is a deficient number, since it is larger than the sum of its proper divisors (797983).

26973481 is a wasteful number, since it uses less digits than its factorization.

26973481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its digits is 72576, while the sum is 40.

The square root of 26973481 is about 5193.6000038509. The cubic root of 26973481 is about 299.9017493077.

The spelling of 26973481 in words is "twenty-six million, nine hundred seventy-three thousand, four hundred eighty-one".