68450071 has 2 divisors, whose sum is σ = 68450072. Its totient is φ = 68450070.

The previous prime is 68450069. The next prime is 68450099. The reversal of 68450071 is 17005486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68450071 - 2¹ = 68450069 is a prime.

Together with 68450069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68450021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34225035 + 34225036.

It is an arithmetic number, because the mean of its divisors is an integer number (34225036).

Almost surely, 2^68450071 is an apocalyptic number.

68450071 is a deficient number, since it is larger than the sum of its proper divisors (1).

68450071 is an equidigital number, since it uses as much as digits as its factorization.

68450071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 68450071 is about 8273.4558075813. The cubic root of 68450071 is about 409.0640378923.

The spelling of 68450071 in words is "sixty-eight million, four hundred fifty thousand, seventy-one".