71305161741 has 12 divisors (see below), whose sum is σ = 112359648960. Its totient is φ = 43215249480.

The previous prime is 71305161737. The next prime is 71305161751. The reversal of 71305161741 is 14716150317.

It is a happy number.

71305161741 is a `hidden beast` number, since 7 + 1 + 30 + 5 + 1 + 617 + 4 + 1 = 666.

It is not a de Polignac number, because 71305161741 - 2² = 71305161737 is a prime.

It is a super-3 number, since 3×71305161741³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71305161696 and 71305161705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71305161751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360126981 + ... + 360127178.

It is an arithmetic number, because the mean of its divisors is an integer number (9363304080).

Almost surely, 2^71305161741 is an apocalyptic number.

It is an amenable number.

71305161741 is a deficient number, since it is larger than the sum of its proper divisors (41054487219).

71305161741 is a wasteful number, since it uses less digits than its factorization.

71305161741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720254176 (or 720254173 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 71305161741 in words is "seventy-one billion, three hundred five million, one hundred sixty-one thousand, seven hundred forty-one".