26749897 has 4 divisors (see below), whose sum is σ = 27912960. Its totient is φ = 25586836.

The previous prime is 26749871. The next prime is 26749937. The reversal of 26749897 is 79894762.

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 26749897 - 2¹⁵ = 26717129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26749847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581497 + ... + 581542.

It is an arithmetic number, because the mean of its divisors is an integer number (6978240).

Almost surely, 2^26749897 is an apocalyptic number.

It is an amenable number.

26749897 is a deficient number, since it is larger than the sum of its proper divisors (1163063).

26749897 is a wasteful number, since it uses less digits than its factorization.

26749897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163062.

The product of its digits is 1524096, while the sum is 52.

The square root of 26749897 is about 5172.0302589989. The cubic root of 26749897 is about 299.0708176309.

The spelling of 26749897 in words is "twenty-six million, seven hundred forty-nine thousand, eight hundred ninety-seven".