73320899 has 2 divisors, whose sum is σ = 73320900. Its totient is φ = 73320898.

The previous prime is 73320887. The next prime is 73320901. The reversal of 73320899 is 99802337.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73320899 is a prime.

Together with 73320901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73310899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36660449 + 36660450.

It is an arithmetic number, because the mean of its divisors is an integer number (36660450).

Almost surely, 2^73320899 is an apocalyptic number.

73320899 is a deficient number, since it is larger than the sum of its proper divisors (1).

73320899 is an equidigital number, since it uses as much as digits as its factorization.

73320899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 73320899 is about 8562.7623463460. The cubic root of 73320899 is about 418.5454198132.

The spelling of 73320899 in words is "seventy-three million, three hundred twenty thousand, eight hundred ninety-nine".