71141212073 has 4 divisors (see below), whose sum is σ = 71154708948. Its totient is φ = 71127715200.

The previous prime is 71141211961. The next prime is 71141212091. The reversal of 71141212073 is 37021214117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37021214117 = 37223 ⋅994579.

It can be written as a sum of positive squares in 2 ways, for example, as 54159994729 + 16981217344 = 232723^2 + 130312^2 .

It is a cyclic number.

It is not a de Polignac number, because 71141212073 - 2¹⁶ = 71141146537 is a prime.

It is a super-2 number, since 2×71141212073² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71141212673) 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 3 ways as a sum of consecutive naturals, for example, 6740528 + ... + 6751073.

It is an arithmetic number, because the mean of its divisors is an integer number (17788677237).

Almost surely, 2^71141212073 is an apocalyptic number.

It is an amenable number.

71141212073 is a deficient number, since it is larger than the sum of its proper divisors (13496875).

71141212073 is a wasteful number, since it uses less digits than its factorization.

71141212073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496874.

The product of its (nonzero) digits is 2352, while the sum is 29.

The spelling of 71141212073 in words is "seventy-one billion, one hundred forty-one million, two hundred twelve thousand, seventy-three".