73322785066 has 4 divisors (see below), whose sum is σ = 109984177602. Its totient is φ = 36661392532.

The previous prime is 73322785043. The next prime is 73322785087. The reversal of 73322785066 is 66058722337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66058722337 = 31 ⋅2130926527.

It can be written as a sum of positive squares in only one way, i.e., 60305116041 + 13017669025 = 245571^2 + 114095^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18330696265 + ... + 18330696268.

Almost surely, 2^73322785066 is an apocalyptic number.

73322785066 is a deficient number, since it is larger than the sum of its proper divisors (36661392536).

73322785066 is a wasteful number, since it uses less digits than its factorization.

73322785066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36661392535.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 73322785066 in words is "seventy-three billion, three hundred twenty-two million, seven hundred eighty-five thousand, sixty-six".