27874361 has 2 divisors, whose sum is σ = 27874362. Its totient is φ = 27874360.

The previous prime is 27874351. The next prime is 27874381. The reversal of 27874361 is 16347872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15840400 + 12033961 = 3980^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 27874361 - 2¹⁸ = 27612217 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27874351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937180 + 13937181.

It is an arithmetic number, because the mean of its divisors is an integer number (13937181).

Almost surely, 2^27874361 is an apocalyptic number.

It is an amenable number.

27874361 is a deficient number, since it is larger than the sum of its proper divisors (1).

27874361 is an equidigital number, since it uses as much as digits as its factorization.

27874361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 27874361 is about 5279.6175050850. The cubic root of 27874361 is about 303.2040328304.

The spelling of 27874361 in words is "twenty-seven million, eight hundred seventy-four thousand, three hundred sixty-one".