72068686769568 has 48 divisors (see below), whose sum is σ = 189181325541600. Its totient is φ = 24022765714176.

The previous prime is 72068686769549. The next prime is 72068686769647. The reversal of 72068686769568 is 86596768686027.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×72068686769568² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16717458 + ... + 20581806.

It is an arithmetic number, because the mean of its divisors is an integer number (3941277615450).

Almost surely, 2^{72068686769568} is an apocalyptic number.

It is an amenable number.

72068686769568 is an abundant number, since it is smaller than the sum of its proper divisors (117112638772032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72068686769568 is a wasteful number, since it uses less digits than its factorization.

72068686769568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058629 (or 4058621 counting only the distinct ones).

The product of its (nonzero) digits is 17557585920, while the sum is 84.

The spelling of 72068686769568 in words is "seventy-two trillion, sixty-eight billion, six hundred eighty-six million, seven hundred sixty-nine thousand, five hundred sixty-eight".