67706075525071 has 2 divisors, whose sum is σ = 67706075525072. Its totient is φ = 67706075525070.

The previous prime is 67706075525069. The next prime is 67706075525083. The reversal of 67706075525071 is 17052557060776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67706075525071 - 2¹ = 67706075525069 is a prime.

It is a super-2 number, since 2×67706075525071² (a number of 28 digits) contains 22 as substring.

Together with 67706075525069, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 67706075524997 and 67706075525015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67706075525041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33853037762535 + 33853037762536.

It is an arithmetic number, because the mean of its divisors is an integer number (33853037762536).

Almost surely, 2^{67706075525071} is an apocalyptic number.

67706075525071 is a deficient number, since it is larger than the sum of its proper divisors (1).

67706075525071 is an equidigital number, since it uses as much as digits as its factorization.

67706075525071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21609000, while the sum is 58.

The spelling of 67706075525071 in words is "sixty-seven trillion, seven hundred six billion, seventy-five million, five hundred twenty-five thousand, seventy-one".