73111141 has 2 divisors, whose sum is σ = 73111142. Its totient is φ = 73111140.

The previous prime is 73111127. The next prime is 73111147. The reversal of 73111141 is 14111137.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48011041 + 25100100 = 6929^2 + 5010^2 .

It is a cyclic number.

It is not a de Polignac number, because 73111141 - 2⁵ = 73111109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73111147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36555570 + 36555571.

It is an arithmetic number, because the mean of its divisors is an integer number (36555571).

Almost surely, 2^73111141 is an apocalyptic number.

It is an amenable number.

73111141 is a deficient number, since it is larger than the sum of its proper divisors (1).

73111141 is an equidigital number, since it uses as much as digits as its factorization.

73111141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84, while the sum is 19.

The square root of 73111141 is about 8550.5053067056. The cubic root of 73111141 is about 418.1459106921.

Adding to 73111141 its reverse (14111137), we get a palindrome (87222278).

The spelling of 73111141 in words is "seventy-three million, one hundred eleven thousand, one hundred forty-one".