73045065705 has 16 divisors (see below), whose sum is σ = 120030811584. Its totient is φ = 37904466240.

The previous prime is 73045065703. The next prime is 73045065713. The reversal of 73045065705 is 50756054037.

It is not a de Polignac number, because 73045065705 - 2¹ = 73045065703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73045065703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65805811 + ... + 65806920.

It is an arithmetic number, because the mean of its divisors is an integer number (7501925724).

Almost surely, 2^73045065705 is an apocalyptic number.

It is an amenable number.

73045065705 is a deficient number, since it is larger than the sum of its proper divisors (46985745879).

73045065705 is a wasteful number, since it uses less digits than its factorization.

73045065705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131612776.

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 73045065705 in words is "seventy-three billion, forty-five million, sixty-five thousand, seven hundred five".