73289899 has 2 divisors, whose sum is σ = 73289900. Its totient is φ = 73289898.

The previous prime is 73289869. The next prime is 73289903. The reversal of 73289899 is 99898237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73289899 - 2²¹ = 71192747 is a prime.

It is not a weakly prime, because it can be changed into another prime (73289819) 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, 36644949 + 36644950.

It is an arithmetic number, because the mean of its divisors is an integer number (36644950).

Almost surely, 2^73289899 is an apocalyptic number.

73289899 is a deficient number, since it is larger than the sum of its proper divisors (1).

73289899 is an equidigital number, since it uses as much as digits as its factorization.

73289899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The square root of 73289899 is about 8560.9519914552. The cubic root of 73289899 is about 418.4864246417.

The spelling of 73289899 in words is "seventy-three million, two hundred eighty-nine thousand, eight hundred ninety-nine".