73530539 has 2 divisors, whose sum is σ = 73530540. Its totient is φ = 73530538.

The previous prime is 73530533. The next prime is 73530553. The reversal of 73530539 is 93503537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73530539 - 2¹² = 73526443 is a prime.

It is a super-5 number, since 5×73530539⁵ (a number of 41 digits) contains 55555 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73530499 and 73530508.

It is not a weakly prime, because it can be changed into another prime (73530533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36765269 + 36765270.

It is an arithmetic number, because the mean of its divisors is an integer number (36765270).

Almost surely, 2^73530539 is an apocalyptic number.

73530539 is a deficient number, since it is larger than the sum of its proper divisors (1).

73530539 is an equidigital number, since it uses as much as digits as its factorization.

73530539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 73530539 is about 8574.9949854213. The cubic root of 73530539 is about 418.9439436061.

The spelling of 73530539 in words is "seventy-three million, five hundred thirty thousand, five hundred thirty-nine".