27673231 has 2 divisors, whose sum is σ = 27673232. Its totient is φ = 27673230.

The previous prime is 27673207. The next prime is 27673241. The reversal of 27673231 is 13237672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27673231 - 2¹¹ = 27671183 is a prime.

It is a super-2 number, since 2×27673231² = 1531615427958722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27673193 and 27673202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27673241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13836615 + 13836616.

It is an arithmetic number, because the mean of its divisors is an integer number (13836616).

Almost surely, 2^27673231 is an apocalyptic number.

27673231 is a deficient number, since it is larger than the sum of its proper divisors (1).

27673231 is an equidigital number, since it uses as much as digits as its factorization.

27673231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 27673231 is about 5260.5352389277. The cubic root of 27673231 is about 302.4730062655.

The spelling of 27673231 in words is "twenty-seven million, six hundred seventy-three thousand, two hundred thirty-one".