26946047 has 4 divisors (see below), whose sum is σ = 28364280. Its totient is φ = 25527816.

The previous prime is 26946043. The next prime is 26946053. The reversal of 26946047 is 74064962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74064962 = 2 ⋅37032481.

It is a cyclic number.

It is not a de Polignac number, because 26946047 - 2² = 26946043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26946047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26946043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709088 + ... + 709125.

It is an arithmetic number, because the mean of its divisors is an integer number (7091070).

Almost surely, 2^26946047 is an apocalyptic number.

26946047 is a deficient number, since it is larger than the sum of its proper divisors (1418233).

26946047 is a wasteful number, since it uses less digits than its factorization.

26946047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418232.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 26946047 is about 5190.9581967109. The cubic root of 26946047 is about 299.8000408248.

The spelling of 26946047 in words is "twenty-six million, nine hundred forty-six thousand, forty-seven".