73105133 has 2 divisors, whose sum is σ = 73105134. Its totient is φ = 73105132.

The previous prime is 73105093. The next prime is 73105139. The reversal of 73105133 is 33150137.

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., 39904489 + 33200644 = 6317^2 + 5762^2 .

It is an emirp because it is prime and its reverse (33150137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73105133 - 2¹⁶ = 73039597 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73105099 and 73105108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73105139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36552566 + 36552567.

It is an arithmetic number, because the mean of its divisors is an integer number (36552567).

Almost surely, 2^73105133 is an apocalyptic number.

It is an amenable number.

73105133 is a deficient number, since it is larger than the sum of its proper divisors (1).

73105133 is an equidigital number, since it uses as much as digits as its factorization.

73105133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 73105133 is about 8550.1539752217. The cubic root of 73105133 is about 418.1344564896.

The spelling of 73105133 in words is "seventy-three million, one hundred five thousand, one hundred thirty-three".