68273757572 has 12 divisors (see below), whose sum is σ = 122257659216. Its totient is φ = 33342997800.

The previous prime is 68273757557. The next prime is 68273757581. The reversal of 68273757572 is 27575737286.

It is a super-2 number, since 2×68273757572² (a number of 22 digits) contains 22 as substring.

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, 198470054 + ... + 198470397.

It is an arithmetic number, because the mean of its divisors is an integer number (10188138268).

Almost surely, 2^68273757572 is an apocalyptic number.

It is an amenable number.

68273757572 is a deficient number, since it is larger than the sum of its proper divisors (53983901644).

68273757572 is a wasteful number, since it uses less digits than its factorization.

68273757572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396940498 (or 396940496 counting only the distinct ones).

The product of its digits is 34574400, while the sum is 59.

The spelling of 68273757572 in words is "sixty-eight billion, two hundred seventy-three million, seven hundred fifty-seven thousand, five hundred seventy-two".