71223014471 has 32 divisors (see below), whose sum is σ = 86345679360. Its totient is φ = 57388870656.

The previous prime is 71223014453. The next prime is 71223014477. The reversal of 71223014471 is 17441032217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71223014471 is a prime.

It is a super-3 number, since 3×71223014471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71223014477) 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 31 ways as a sum of consecutive naturals, for example, 9446015 + ... + 9453551.

It is an arithmetic number, because the mean of its divisors is an integer number (2698302480).

Almost surely, 2^71223014471 is an apocalyptic number.

71223014471 is a deficient number, since it is larger than the sum of its proper divisors (15122664889).

71223014471 is a wasteful number, since it uses less digits than its factorization.

71223014471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8103.

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 71223014471 its reverse (17441032217), we get a palindrome (88664046688).

The spelling of 71223014471 in words is "seventy-one billion, two hundred twenty-three million, fourteen thousand, four hundred seventy-one".