27796045 has 4 divisors (see below), whose sum is σ = 33355260. Its totient is φ = 22236832.

The previous prime is 27796033. The next prime is 27796061. The reversal of 27796045 is 54069772.

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 8838729 + 18957316 = 2973^2 + 4354^2 .

It is a cyclic number.

It is not a de Polignac number, because 27796045 - 2⁹ = 27795533 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27795989 and 27796007.

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, 2779600 + ... + 2779609.

It is an arithmetic number, because the mean of its divisors is an integer number (8338815).

Almost surely, 2^27796045 is an apocalyptic number.

It is an amenable number.

27796045 is a deficient number, since it is larger than the sum of its proper divisors (5559215).

27796045 is an equidigital number, since it uses as much as digits as its factorization.

27796045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559214.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 27796045 is about 5272.1954629926. The cubic root of 27796045 is about 302.9198050828.

The spelling of 27796045 in words is "twenty-seven million, seven hundred ninety-six thousand, forty-five".