26791947 has 24 divisors (see below), whose sum is σ = 47631584. Its totient is φ = 14131584.

The previous prime is 26791939. The next prime is 26791951. The reversal of 26791947 is 74919762.

It is not a de Polignac number, because 26791947 - 2³ = 26791939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26791997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15538 + ... + 17175.

Almost surely, 2^26791947 is an apocalyptic number.

26791947 is a deficient number, since it is larger than the sum of its proper divisors (20839637).

26791947 is a wasteful number, since it uses less digits than its factorization.

26791947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32739 (or 32736 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 26791947 is about 5176.0937974500. The cubic root of 26791947 is about 299.2274455733.

The spelling of 26791947 in words is "twenty-six million, seven hundred ninety-one thousand, nine hundred forty-seven".