71316219 has 16 divisors (see below), whose sum is σ = 102620672. Its totient is φ = 43793568.

The previous prime is 71316209. The next prime is 71316229. The reversal of 71316219 is 91261317.

It is an interprime number because it is at equal distance from previous prime (71316209) and next prime (71316229).

It is not a de Polignac number, because 71316219 - 2¹¹ = 71314171 is a prime.

It is a super-2 number, since 2×71316219² = 10172006184911922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71316209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19662 + ... + 23004.

It is an arithmetic number, because the mean of its divisors is an integer number (6413792).

Almost surely, 2^71316219 is an apocalyptic number.

71316219 is a deficient number, since it is larger than the sum of its proper divisors (31304453).

71316219 is a wasteful number, since it uses less digits than its factorization.

71316219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906.

The product of its digits is 2268, while the sum is 30.

The square root of 71316219 is about 8444.8930721472. The cubic root of 71316219 is about 414.6956087946.

The spelling of 71316219 in words is "seventy-one million, three hundred sixteen thousand, two hundred nineteen".