27084641 has 4 divisors (see below), whose sum is σ = 27745284. Its totient is φ = 26424000.

The previous prime is 27084623. The next prime is 27084653. The reversal of 27084641 is 14648072.

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 1430416 + 25654225 = 1196^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 27084641 - 2¹⁴ = 27068257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27084598 and 27084607.

It is not an unprimeable number, because it can be changed into a prime (27084661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330260 + ... + 330341.

It is an arithmetic number, because the mean of its divisors is an integer number (6936321).

Almost surely, 2^27084641 is an apocalyptic number.

It is an amenable number.

27084641 is a deficient number, since it is larger than the sum of its proper divisors (660643).

27084641 is an equidigital number, since it uses as much as digits as its factorization.

27084641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660642.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 27084641 is about 5204.2906336983. The cubic root of 27084641 is about 300.3131581780.

The spelling of 27084641 in words is "twenty-seven million, eighty-four thousand, six hundred forty-one".