71011727433 has 14 divisors (see below), whose sum is σ = 106468887354. Its totient is φ = 47341151136.

The previous prime is 71011727431. The next prime is 71011727447. The reversal of 71011727433 is 33472711017.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45255329289 + 25756398144 = 212733^2 + 160488^2 .

It is not a de Polignac number, because 71011727433 - 2¹ = 71011727431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71011727431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 48704160 + ... + 48705617.

Almost surely, 2^71011727433 is an apocalyptic number.

It is an amenable number.

71011727433 is a deficient number, since it is larger than the sum of its proper divisors (35457159921).

71011727433 is an frugal number, since it uses more digits than its factorization.

71011727433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97409795 (or 97409780 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 71011727433 in words is "seventy-one billion, eleven million, seven hundred twenty-seven thousand, four hundred thirty-three".