73328663 has 2 divisors, whose sum is σ = 73328664. Its totient is φ = 73328662.

The previous prime is 73328639. The next prime is 73328713. The reversal of 73328663 is 36682337.

It is a weak prime.

It is an emirp because it is prime and its reverse (36682337) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73328663 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73328863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36664331 + 36664332.

It is an arithmetic number, because the mean of its divisors is an integer number (36664332).

Almost surely, 2^73328663 is an apocalyptic number.

73328663 is a deficient number, since it is larger than the sum of its proper divisors (1).

73328663 is an equidigital number, since it uses as much as digits as its factorization.

73328663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 73328663 is about 8563.2156927173. The cubic root of 73328663 is about 418.5601926451.

The spelling of 73328663 in words is "seventy-three million, three hundred twenty-eight thousand, six hundred sixty-three".