27792265 has 4 divisors (see below), whose sum is σ = 33350724. Its totient is φ = 22233808.

The previous prime is 27792253. The next prime is 27792313. The reversal of 27792265 is 56229772.

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 5992704 + 21799561 = 2448^2 + 4669^2 .

It is a cyclic number.

It is not a de Polignac number, because 27792265 - 2¹³ = 27784073 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 Duffinian 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, 2779222 + ... + 2779231.

It is an arithmetic number, because the mean of its divisors is an integer number (8337681).

Almost surely, 2^27792265 is an apocalyptic number.

It is an amenable number.

27792265 is a deficient number, since it is larger than the sum of its proper divisors (5558459).

27792265 is an equidigital number, since it uses as much as digits as its factorization.

27792265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558458.

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

The square root of 27792265 is about 5271.8369663714. The cubic root of 27792265 is about 302.9060730480.

The spelling of 27792265 in words is "twenty-seven million, seven hundred ninety-two thousand, two hundred sixty-five".