26728495 has 4 divisors (see below), whose sum is σ = 32074200. Its totient is φ = 21382792.

The previous prime is 26728487. The next prime is 26728543. The reversal of 26728495 is 59482762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26728495 - 2³ = 26728487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672845 + ... + 2672854.

It is an arithmetic number, because the mean of its divisors is an integer number (8018550).

Almost surely, 2^26728495 is an apocalyptic number.

26728495 is a deficient number, since it is larger than the sum of its proper divisors (5345705).

26728495 is an equidigital number, since it uses as much as digits as its factorization.

26728495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345704.

The product of its digits is 241920, while the sum is 43.

The square root of 26728495 is about 5169.9608315731. The cubic root of 26728495 is about 298.9910363714.

The spelling of 26728495 in words is "twenty-six million, seven hundred twenty-eight thousand, four hundred ninety-five".