71841141 has 8 divisors (see below), whose sum is σ = 106431360. Its totient is φ = 47894076.

The previous prime is 71841127. The next prime is 71841157. The reversal of 71841141 is 14114817.

It is a de Polignac number, because none of the positive numbers 2^k-71841141 is a prime.

It is a super-2 number, since 2×71841141² = 10322299080363762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2660783 = 71841141 / (7 + 1 + 8 + 4 + 1 + 1 + 4 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71841241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330365 + ... + 1330418.

It is an arithmetic number, because the mean of its divisors is an integer number (13303920).

Almost surely, 2^71841141 is an apocalyptic number.

It is an amenable number.

71841141 is a deficient number, since it is larger than the sum of its proper divisors (34590219).

71841141 is a wasteful number, since it uses less digits than its factorization.

71841141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660792 (or 2660786 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 71841141 is about 8475.9153487986. The cubic root of 71841141 is about 415.7105763148.

Adding to 71841141 its reverse (14114817), we get a palindrome (85955958).

The spelling of 71841141 in words is "seventy-one million, eight hundred forty-one thousand, one hundred forty-one".