27082945 has 4 divisors (see below), whose sum is σ = 32499540. Its totient is φ = 21666352.

The previous prime is 27082901. The next prime is 27082949. The reversal of 27082945 is 54928072.

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 17040384 + 10042561 = 4128^2 + 3169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27082945 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27082949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708290 + ... + 2708299.

It is an arithmetic number, because the mean of its divisors is an integer number (8124885).

Almost surely, 2^27082945 is an apocalyptic number.

It is an amenable number.

27082945 is a deficient number, since it is larger than the sum of its proper divisors (5416595).

27082945 is an equidigital number, since it uses as much as digits as its factorization.

27082945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416594.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 27082945 is about 5204.1276886718. The cubic root of 27082945 is about 300.3068896591.

The spelling of 27082945 in words is "twenty-seven million, eighty-two thousand, nine hundred forty-five".