68745426072 has 32 divisors (see below), whose sum is σ = 172025306880. Its totient is φ = 22893576480.

The previous prime is 68745426053. The next prime is 68745426073. The reversal of 68745426072 is 27062454786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68745426073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321804 + ... + 1372827.

It is an arithmetic number, because the mean of its divisors is an integer number (5375790840).

Almost surely, 2^68745426072 is an apocalyptic number.

It is an amenable number.

68745426072 is an abundant number, since it is smaller than the sum of its proper divisors (103279880808).

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

68745426072 is a wasteful number, since it uses less digits than its factorization.

68745426072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695703 (or 2695699 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 68745426072 in words is "sixty-eight billion, seven hundred forty-five million, four hundred twenty-six thousand, seventy-two".