71000004070671 has 32 divisors (see below), whose sum is σ = 107471569040640. Its totient is φ = 41332110361344.

The previous prime is 71000004070661. The next prime is 71000004070711. The reversal of 71000004070671 is 17607040000017.

It is a de Polignac number, because none of the positive numbers 2^k-71000004070671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71000004070661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69637726 + ... + 70649931.

It is an arithmetic number, because the mean of its divisors is an integer number (3358486532520).

Almost surely, 2^{71000004070671} is an apocalyptic number.

71000004070671 is a deficient number, since it is larger than the sum of its proper divisors (36471564969969).

71000004070671 is a wasteful number, since it uses less digits than its factorization.

71000004070671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140288375.

The product of its (nonzero) digits is 8232, while the sum is 33.

Adding to 71000004070671 its reverse (17607040000017), we get a palindrome (88607044070688).

The spelling of 71000004070671 in words is "seventy-one trillion, four million, seventy thousand, six hundred seventy-one".