68641262972 has 12 divisors (see below), whose sum is σ = 120177352680. Its totient is φ = 34304876496.

The previous prime is 68641262947. The next prime is 68641262993. The reversal of 68641262972 is 27926214686.

It is a happy number.

It is a congruent number.

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, 3928943 + ... + 3946374.

It is an arithmetic number, because the mean of its divisors is an integer number (10014779390).

Almost surely, 2^68641262972 is an apocalyptic number.

It is an amenable number.

68641262972 is a deficient number, since it is larger than the sum of its proper divisors (51536089708).

68641262972 is a wasteful number, since it uses less digits than its factorization.

68641262972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7877500 (or 7877498 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The spelling of 68641262972 in words is "sixty-eight billion, six hundred forty-one million, two hundred sixty-two thousand, nine hundred seventy-two".