68018471 has 2 divisors, whose sum is σ = 68018472. Its totient is φ = 68018470.

The previous prime is 68018459. The next prime is 68018473. The reversal of 68018471 is 17481086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68018471 - 2¹⁴ = 68002087 is a prime.

It is a super-3 number, since 3×68018471³ (a number of 24 digits) contains 333 as substring.

Together with 68018473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68018473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34009235 + 34009236.

It is an arithmetic number, because the mean of its divisors is an integer number (34009236).

Almost surely, 2^68018471 is an apocalyptic number.

68018471 is a deficient number, since it is larger than the sum of its proper divisors (1).

68018471 is an equidigital number, since it uses as much as digits as its factorization.

68018471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 68018471 is about 8247.3311440732. The cubic root of 68018471 is about 408.2024638320.

The spelling of 68018471 in words is "sixty-eight million, eighteen thousand, four hundred seventy-one".