73530719 has 2 divisors, whose sum is σ = 73530720. Its totient is φ = 73530718.

The previous prime is 73530713. The next prime is 73530827. The reversal of 73530719 is 91703537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73530719 - 2⁸ = 73530463 is a prime.

It is a super-2 number, since 2×73530719² = 10813533273313922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73530713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36765359 + 36765360.

It is an arithmetic number, because the mean of its divisors is an integer number (36765360).

Almost surely, 2^73530719 is an apocalyptic number.

73530719 is a deficient number, since it is larger than the sum of its proper divisors (1).

73530719 is an equidigital number, since it uses as much as digits as its factorization.

73530719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 73530719 is about 8575.0054810478. The cubic root of 73530719 is about 418.9442854588.

The spelling of 73530719 in words is "seventy-three million, five hundred thirty thousand, seven hundred nineteen".