70706005171 has 4 divisors (see below), whose sum is σ = 70718920272. Its totient is φ = 70693090072.

The previous prime is 70706005163. The next prime is 70706005177. The reversal of 70706005171 is 17150060707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70706005171 - 2³ = 70706005163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70706005177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6449335 + ... + 6460288.

It is an arithmetic number, because the mean of its divisors is an integer number (17679730068).

Almost surely, 2^70706005171 is an apocalyptic number.

70706005171 is a deficient number, since it is larger than the sum of its proper divisors (12915101).

70706005171 is a wasteful number, since it uses less digits than its factorization.

70706005171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12915100.

The product of its (nonzero) digits is 10290, while the sum is 34.

Adding to 70706005171 its reverse (17150060707), we get a palindrome (87856065878).

The spelling of 70706005171 in words is "seventy billion, seven hundred six million, five thousand, one hundred seventy-one".