67089271 has 2 divisors, whose sum is σ = 67089272. Its totient is φ = 67089270.

The previous prime is 67089241. The next prime is 67089277. The reversal of 67089271 is 17298076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67089271 - 2¹⁹ = 66564983 is a prime.

It is a super-2 number, since 2×67089271² = 9001940566622882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67089277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33544635 + 33544636.

It is an arithmetic number, because the mean of its divisors is an integer number (33544636).

Almost surely, 2^67089271 is an apocalyptic number.

67089271 is a deficient number, since it is larger than the sum of its proper divisors (1).

67089271 is an equidigital number, since it uses as much as digits as its factorization.

67089271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 67089271 is about 8190.8040508854. The cubic root of 67089271 is about 406.3351172814.

The spelling of 67089271 in words is "sixty-seven million, eighty-nine thousand, two hundred seventy-one".