27672193 has 2 divisors, whose sum is σ = 27672194. Its totient is φ = 27672192.

The previous prime is 27672191. The next prime is 27672217. The reversal of 27672193 is 39127672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24532209 + 3139984 = 4953^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 27672193 - 2¹ = 27672191 is a prime.

Together with 27672191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27672191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13836096 + 13836097.

It is an arithmetic number, because the mean of its divisors is an integer number (13836097).

Almost surely, 2^27672193 is an apocalyptic number.

It is an amenable number.

27672193 is a deficient number, since it is larger than the sum of its proper divisors (1).

27672193 is an equidigital number, since it uses as much as digits as its factorization.

27672193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 27672193 is about 5260.4365788402. The cubic root of 27672193 is about 302.4692243809.

It can be divided in two parts, 27 and 672193, that added together give a triangular number (672220 = T₁₁₅₉).

The spelling of 27672193 in words is "twenty-seven million, six hundred seventy-two thousand, one hundred ninety-three".