73449113 has 2 divisors, whose sum is σ = 73449114. Its totient is φ = 73449112.

The previous prime is 73449073. The next prime is 73449127. The reversal of 73449113 is 31194437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69172489 + 4276624 = 8317^2 + 2068^2 .

It is an emirp because it is prime and its reverse (31194437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73449113 - 2¹² = 73445017 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73449113.

It is not a weakly prime, because it can be changed into another prime (73449413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36724556 + 36724557.

It is an arithmetic number, because the mean of its divisors is an integer number (36724557).

Almost surely, 2^73449113 is an apocalyptic number.

It is an amenable number.

73449113 is a deficient number, since it is larger than the sum of its proper divisors (1).

73449113 is an equidigital number, since it uses as much as digits as its factorization.

73449113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 73449113 is about 8570.2457957751. The cubic root of 73449113 is about 418.7892435784.

The spelling of 73449113 in words is "seventy-three million, four hundred forty-nine thousand, one hundred thirteen".