73656064568 has 16 divisors (see below), whose sum is σ = 138275423160. Its totient is φ = 36782618400.

The previous prime is 73656064567. The next prime is 73656064571. The reversal of 73656064568 is 86546065637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73656064567) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5669843 + ... + 5682818.

Almost surely, 2^73656064568 is an apocalyptic number.

It is an amenable number.

73656064568 is a deficient number, since it is larger than the sum of its proper divisors (64619358592).

73656064568 is a wasteful number, since it uses less digits than its factorization.

73656064568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353478 (or 11353474 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 73656064568 in words is "seventy-three billion, six hundred fifty-six million, sixty-four thousand, five hundred sixty-eight".