68471371 has 2 divisors, whose sum is σ = 68471372. Its totient is φ = 68471370.

The previous prime is 68471369. The next prime is 68471401. The reversal of 68471371 is 17317486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68471371 - 2¹ = 68471369 is a prime.

Together with 68471369, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68471371.

It is not a weakly prime, because it can be changed into another prime (68471471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34235685 + 34235686.

It is an arithmetic number, because the mean of its divisors is an integer number (34235686).

Almost surely, 2^68471371 is an apocalyptic number.

68471371 is a deficient number, since it is larger than the sum of its proper divisors (1).

68471371 is an equidigital number, since it uses as much as digits as its factorization.

68471371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 68471371 is about 8274.7429567329. The cubic root of 68471371 is about 409.1064637572.

The spelling of 68471371 in words is "sixty-eight million, four hundred seventy-one thousand, three hundred seventy-one".