70406670071 has 2 divisors, whose sum is σ = 70406670072. Its totient is φ = 70406670070.

The previous prime is 70406670053. The next prime is 70406670073. The reversal of 70406670071 is 17007660407.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17007660407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70406670071 is a prime.

Together with 70406670073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70406670073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35203335035 + 35203335036.

It is an arithmetic number, because the mean of its divisors is an integer number (35203335036).

Almost surely, 2^70406670071 is an apocalyptic number.

70406670071 is a deficient number, since it is larger than the sum of its proper divisors (1).

70406670071 is an equidigital number, since it uses as much as digits as its factorization.

70406670071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 70406670071 in words is "seventy billion, four hundred six million, six hundred seventy thousand, seventy-one".