71027681003 has 4 divisors (see below), whose sum is σ = 71064427728. Its totient is φ = 70990934280.

The previous prime is 71027680939. The next prime is 71027681047. The reversal of 71027681003 is 30018672017.

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 71027681003 - 2⁶ = 71027680939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71027681093) 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 3 ways as a sum of consecutive naturals, for example, 18370463 + ... + 18374328.

It is an arithmetic number, because the mean of its divisors is an integer number (17766106932).

Almost surely, 2^71027681003 is an apocalyptic number.

71027681003 is a deficient number, since it is larger than the sum of its proper divisors (36746725).

71027681003 is a wasteful number, since it uses less digits than its factorization.

71027681003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36746724.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 71027681003 in words is "seventy-one billion, twenty-seven million, six hundred eighty-one thousand, three".