70066733403731 has 2 divisors, whose sum is σ = 70066733403732. Its totient is φ = 70066733403730.

The previous prime is 70066733403679. The next prime is 70066733403803. The reversal of 70066733403731 is 13730433766007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70066733403731 - 2¹⁴ = 70066733387347 is a prime.

It is a super-2 number, since 2×70066733403731² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70066733403731.

It is not a weakly prime, because it can be changed into another prime (70066733405731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35033366701865 + 35033366701866.

It is an arithmetic number, because the mean of its divisors is an integer number (35033366701866).

Almost surely, 2^{70066733403731} is an apocalyptic number.

70066733403731 is a deficient number, since it is larger than the sum of its proper divisors (1).

70066733403731 is an equidigital number, since it uses as much as digits as its factorization.

70066733403731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 50.

The spelling of 70066733403731 in words is "seventy trillion, sixty-six billion, seven hundred thirty-three million, four hundred three thousand, seven hundred thirty-one".