7170420071 has 2 divisors, whose sum is σ = 7170420072. Its totient is φ = 7170420070.

The previous prime is 7170420067. The next prime is 7170420077. The reversal of 7170420071 is 1700240717.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7170420071 - 2² = 7170420067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7170420077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3585210035 + 3585210036.

It is an arithmetic number, because the mean of its divisors is an integer number (3585210036).

Almost surely, 2^7170420071 is an apocalyptic number.

7170420071 is a deficient number, since it is larger than the sum of its proper divisors (1).

7170420071 is an equidigital number, since it uses as much as digits as its factorization.

7170420071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 7170420071 is about 84678.3329488719. The cubic root of 7170420071 is about 1928.3307778248.

Adding to 7170420071 its reverse (1700240717), we get a palindrome (8870660788).

The spelling of 7170420071 in words is "seven billion, one hundred seventy million, four hundred twenty thousand, seventy-one".