71000000017 has 4 divisors (see below), whose sum is σ = 71068732900. Its totient is φ = 70931267136.

The previous prime is 70999999999. The next prime is 71000000041.

It is a happy number.

71000000017 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30017641536 + 40982358481 = 173256^2 + 202441^2 .

It is a cyclic number.

It is not a de Polignac number, because 71000000017 - 2³⁵ = 36640261649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71000000917) 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, 34364892 + ... + 34366957.

It is an arithmetic number, because the mean of its divisors is an integer number (17767183225).

Almost surely, 2^71000000017 is an apocalyptic number.

It is an amenable number.

71000000017 is a deficient number, since it is larger than the sum of its proper divisors (68732883).

71000000017 is a wasteful number, since it uses less digits than its factorization.

71000000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68732882.

The product of its (nonzero) digits is 49, while the sum is 16.

It can be divided in two parts, 710000000 and 17, that added together give a palindrome (710000017).

The spelling of 71000000017 in words is "seventy-one billion, seventeen", and thus it is an aban number and an uban number.