728062159968 has 576 divisors, whose sum is σ = 2603971528704. Its totient is φ = 197074944000.

The previous prime is 728062159963. The next prime is 728062159987. The reversal of 728062159968 is 869951260827.

It is a super-2 number, since 2×728062159968² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728062159963) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34460448 + ... + 34481568.

It is an arithmetic number, because the mean of its divisors is an integer number (4520783904).

Almost surely, 2^728062159968 is an apocalyptic number.

728062159968 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728062159968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301985764352).

728062159968 is an abundant number, since it is smaller than the sum of its proper divisors (1875909368736).

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

728062159968 is a wasteful number, since it uses less digits than its factorization.

728062159968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201 (or 21181 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 728062159968 in words is "seven hundred twenty-eight billion, sixty-two million, one hundred fifty-nine thousand, nine hundred sixty-eight".