73993560068 has 12 divisors (see below), whose sum is σ = 129743131980. Its totient is φ = 36924093792.

The previous prime is 73993560037. The next prime is 73993560073. The reversal of 73993560068 is 86006539937.

It can be written as a sum of positive squares in 2 ways, for example, as 41124595264 + 32868964804 = 202792^2 + 181298^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73993559995 and 73993560022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18169271 + ... + 18173342.

It is an arithmetic number, because the mean of its divisors is an integer number (10811927665).

Almost surely, 2^73993560068 is an apocalyptic number.

It is an amenable number.

73993560068 is a deficient number, since it is larger than the sum of its proper divisors (55749571912).

73993560068 is a wasteful number, since it uses less digits than its factorization.

73993560068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36343126 (or 36343124 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 73993560068 in words is "seventy-three billion, nine hundred ninety-three million, five hundred sixty thousand, sixty-eight".