68584316428720 has 40 divisors (see below), whose sum is σ = 159910259659776. Its totient is φ = 27356010620928.

The previous prime is 68584316428669. The next prime is 68584316428729. The reversal of 68584316428720 is 2782461348586.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (68584316428729) 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, 1214283312 + ... + 1214339791.

Almost surely, 2^{68584316428720} is an apocalyptic number.

It is an amenable number.

68584316428720 is an abundant number, since it is smaller than the sum of its proper divisors (91325943231056).

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

68584316428720 is a wasteful number, since it uses less digits than its factorization.

68584316428720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428623469 (or 2428623463 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 64.

The spelling of 68584316428720 in words is "sixty-eight trillion, five hundred eighty-four billion, three hundred sixteen million, four hundred twenty-eight thousand, seven hundred twenty".