67070707243 has 2 divisors, whose sum is σ = 67070707244. Its totient is φ = 67070707242.

The previous prime is 67070707217. The next prime is 67070707343. The reversal of 67070707243 is 34270707076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67070707243 - 2⁵ = 67070707211 is a prime.

It is a super-2 number, since 2×67070707243² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67070707243.

It is not a weakly prime, because it can be changed into another prime (67070707343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33535353621 + 33535353622.

It is an arithmetic number, because the mean of its divisors is an integer number (33535353622).

Almost surely, 2^67070707243 is an apocalyptic number.

67070707243 is a deficient number, since it is larger than the sum of its proper divisors (1).

67070707243 is an equidigital number, since it uses as much as digits as its factorization.

67070707243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345744, while the sum is 43.

The spelling of 67070707243 in words is "sixty-seven billion, seventy million, seven hundred seven thousand, two hundred forty-three".