26897473 has 4 divisors (see below), whose sum is σ = 27091120. Its totient is φ = 26703828.

The previous prime is 26897467. The next prime is 26897477. The reversal of 26897473 is 37479862.

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 not a de Polignac number, because 26897473 - 2⁵ = 26897441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26897477) 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, 96615 + ... + 96892.

It is an arithmetic number, because the mean of its divisors is an integer number (6772780).

Almost surely, 2^26897473 is an apocalyptic number.

It is an amenable number.

26897473 is a deficient number, since it is larger than the sum of its proper divisors (193647).

26897473 is a wasteful number, since it uses less digits than its factorization.

26897473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193646.

The product of its digits is 508032, while the sum is 46.

The square root of 26897473 is about 5186.2773739938. The cubic root of 26897473 is about 299.6197887052.

The spelling of 26897473 in words is "twenty-six million, eight hundred ninety-seven thousand, four hundred seventy-three".