71716222441 has 4 divisors (see below), whose sum is σ = 71900583300. Its totient is φ = 71531861584.

The previous prime is 71716222427. The next prime is 71716222447. The reversal of 71716222441 is 14422261717.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36253683216 + 35462539225 = 190404^2 + 188315^2 .

It is a cyclic number.

It is not a de Polignac number, because 71716222441 - 2²³ = 71707833833 is a prime.

It is a super-2 number, since 2×71716222441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71716222441.

It is not an unprimeable number, because it can be changed into a prime (71716222447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92179846 + ... + 92180623.

It is an arithmetic number, because the mean of its divisors is an integer number (17975145825).

Almost surely, 2^71716222441 is an apocalyptic number.

It is an amenable number.

71716222441 is a deficient number, since it is larger than the sum of its proper divisors (184360859).

71716222441 is a wasteful number, since it uses less digits than its factorization.

71716222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184360858.

The product of its digits is 37632, while the sum is 37.

The spelling of 71716222441 in words is "seventy-one billion, seven hundred sixteen million, two hundred twenty-two thousand, four hundred forty-one".