68723745716 has 48 divisors (see below), whose sum is σ = 122878120512. Its totient is φ = 33623251200.

The previous prime is 68723745677. The next prime is 68723745749. The reversal of 68723745716 is 61754732786.

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 15 ways as a sum of consecutive naturals, for example, 43032230 + ... + 43033826.

It is an arithmetic number, because the mean of its divisors is an integer number (2559960844).

Almost surely, 2^68723745716 is an apocalyptic number.

It is an amenable number.

68723745716 is a deficient number, since it is larger than the sum of its proper divisors (54154374796).

68723745716 is a wasteful number, since it uses less digits than its factorization.

68723745716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2638 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 56.

The spelling of 68723745716 in words is "sixty-eight billion, seven hundred twenty-three million, seven hundred forty-five thousand, seven hundred sixteen".