27796541 has 4 divisors (see below), whose sum is σ = 28252284. Its totient is φ = 27340800.

The previous prime is 27796537. The next prime is 27796579. The reversal of 27796541 is 14569772.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11628100 + 16168441 = 3410^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 27796541 - 2² = 27796537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27796501) 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, 227780 + ... + 227901.

It is an arithmetic number, because the mean of its divisors is an integer number (7063071).

Almost surely, 2^27796541 is an apocalyptic number.

It is an amenable number.

27796541 is a deficient number, since it is larger than the sum of its proper divisors (455743).

27796541 is an equidigital number, since it uses as much as digits as its factorization.

27796541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455742.

The product of its digits is 105840, while the sum is 41.

The square root of 27796541 is about 5272.2425020099. The cubic root of 27796541 is about 302.9216068658.

The spelling of 27796541 in words is "twenty-seven million, seven hundred ninety-six thousand, five hundred forty-one".