73290089 has 2 divisors, whose sum is σ = 73290090. Its totient is φ = 73290088.

The previous prime is 73290059. The next prime is 73290101. The reversal of 73290089 is 98009237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36808489 + 36481600 = 6067^2 + 6040^2 .

It is a cyclic number.

It is not a de Polignac number, because 73290089 - 2⁸ = 73289833 is a prime.

It is not a weakly prime, because it can be changed into another prime (73290059) 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, 36645044 + 36645045.

It is an arithmetic number, because the mean of its divisors is an integer number (36645045).

Almost surely, 2^73290089 is an apocalyptic number.

It is an amenable number.

73290089 is a deficient number, since it is larger than the sum of its proper divisors (1).

73290089 is an equidigital number, since it uses as much as digits as its factorization.

73290089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 73290089 is about 8560.9630883447. The cubic root of 73290089 is about 418.4867862757.

The spelling of 73290089 in words is "seventy-three million, two hundred ninety thousand, eighty-nine".