73663716208 has 10 divisors (see below), whose sum is σ = 142723450184. Its totient is φ = 36831858096.

The previous prime is 73663716173. The next prime is 73663716223. The reversal of 73663716208 is 80261736637.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2301991116 + ... + 2301991147.

Almost surely, 2^73663716208 is an apocalyptic number.

It is an amenable number.

73663716208 is a deficient number, since it is larger than the sum of its proper divisors (69059733976).

73663716208 is a wasteful number, since it uses less digits than its factorization.

73663716208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603982271 (or 4603982265 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 73663716208 in words is "seventy-three billion, six hundred sixty-three million, seven hundred sixteen thousand, two hundred eight".