71063727693 has 48 divisors (see below), whose sum is σ = 118122203520. Its totient is φ = 37792427904.

The previous prime is 71063727677. The next prime is 71063727797. The reversal of 71063727693 is 39672736017.

It is not a de Polignac number, because 71063727693 - 2⁴ = 71063727677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71063727613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158938 + ... + 409131.

It is an arithmetic number, because the mean of its divisors is an integer number (2460879240).

Almost surely, 2^71063727693 is an apocalyptic number.

It is an amenable number.

71063727693 is a deficient number, since it is larger than the sum of its proper divisors (47058475827).

71063727693 is a wasteful number, since it uses less digits than its factorization.

71063727693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568146 (or 568139 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 51.

The spelling of 71063727693 in words is "seventy-one billion, sixty-three million, seven hundred twenty-seven thousand, six hundred ninety-three".