26970443 has 4 divisors (see below), whose sum is σ = 28389960. Its totient is φ = 25550928.

The previous prime is 26970431. The next prime is 26970457. The reversal of 26970443 is 34407962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34407962 = 2 ⋅17203981.

It is a cyclic number.

It is not a de Polignac number, because 26970443 - 2⁶ = 26970379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26970343) 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, 709730 + ... + 709767.

It is an arithmetic number, because the mean of its divisors is an integer number (7097490).

Almost surely, 2^26970443 is an apocalyptic number.

26970443 is a deficient number, since it is larger than the sum of its proper divisors (1419517).

26970443 is a wasteful number, since it uses less digits than its factorization.

26970443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419516.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 26970443 is about 5193.3075202611. The cubic root of 26970443 is about 299.8904896594.

The spelling of 26970443 in words is "twenty-six million, nine hundred seventy thousand, four hundred forty-three".