73081699 has 2 divisors, whose sum is σ = 73081700. Its totient is φ = 73081698.

The previous prime is 73081667. The next prime is 73081703. The reversal of 73081699 is 99618037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73081699 - 2⁵ = 73081667 is a prime.

It is not a weakly prime, because it can be changed into another prime (73081199) 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, 36540849 + 36540850.

It is an arithmetic number, because the mean of its divisors is an integer number (36540850).

Almost surely, 2^73081699 is an apocalyptic number.

73081699 is a deficient number, since it is larger than the sum of its proper divisors (1).

73081699 is an equidigital number, since it uses as much as digits as its factorization.

73081699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 73081699 is about 8548.7834807065. The cubic root of 73081699 is about 418.0897737630.

The spelling of 73081699 in words is "seventy-three million, eighty-one thousand, six hundred ninety-nine".