26730117 has 24 divisors (see below), whose sum is σ = 40622400. Its totient is φ = 16904448.

The previous prime is 26730107. The next prime is 26730149. The reversal of 26730117 is 71103762.

It is not a de Polignac number, because 26730117 - 2⁴ = 26730101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26730107) 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, 28309 + ... + 29237.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^26730117 is an apocalyptic number.

It is an amenable number.

26730117 is a deficient number, since it is larger than the sum of its proper divisors (13892283).

26730117 is a wasteful number, since it uses less digits than its factorization.

26730117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 26730117 is about 5170.1176969195. The cubic root of 26730117 is about 298.9970842697.

Adding to 26730117 its reverse (71103762), we get a palindrome (97833879).

The spelling of 26730117 in words is "twenty-six million, seven hundred thirty thousand, one hundred seventeen".