71002220017 has 8 divisors (see below), whose sum is σ = 73469769120. Its totient is φ = 68571777120.

The previous prime is 71002219999. The next prime is 71002220021.

71002220017 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71002220017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71002220017.

It is not an unprimeable number, because it can be changed into a prime (71002220057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9272659 + ... + 9280312.

It is an arithmetic number, because the mean of its divisors is an integer number (9183721140).

Almost surely, 2^71002220017 is an apocalyptic number.

It is an amenable number.

71002220017 is a deficient number, since it is larger than the sum of its proper divisors (2467549103).

71002220017 is a wasteful number, since it uses less digits than its factorization.

71002220017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18553103.

The product of its (nonzero) digits is 392, while the sum is 22.

The spelling of 71002220017 in words is "seventy-one billion, two million, two hundred twenty thousand, seventeen".