68174560420 has 96 divisors (see below), whose sum is σ = 152752521600. Its totient is φ = 25469368320.

The previous prime is 68174560411. The next prime is 68174560423. The reversal of 68174560420 is 2406547186.

It is not an unprimeable number, because it can be changed into a prime (68174560423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26934555 + ... + 26937085.

It is an arithmetic number, because the mean of its divisors is an integer number (1591172100).

Almost surely, 2^68174560420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68174560420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76376260800).

68174560420 is an abundant number, since it is smaller than the sum of its proper divisors (84577961180).

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

68174560420 is a wasteful number, since it uses less digits than its factorization.

68174560420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 68174560420 in words is "sixty-eight billion, one hundred seventy-four million, five hundred sixty thousand, four hundred twenty".