728617132063 has 8 divisors (see below), whose sum is σ = 731186820000. Its totient is φ = 726048008928.

The previous prime is 728617132057. The next prime is 728617132129. The reversal of 728617132063 is 360231716827.

It is a happy number.

728617132063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 728617132063 - 2²¹ = 728615034911 is a prime.

It is a super-2 number, since 2×728617132063² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728617132013) 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, 2532438 + ... + 2805436.

It is an arithmetic number, because the mean of its divisors is an integer number (91398352500).

Almost surely, 2^728617132063 is an apocalyptic number.

728617132063 is a deficient number, since it is larger than the sum of its proper divisors (2569687937).

728617132063 is a wasteful number, since it uses less digits than its factorization.

728617132063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282401.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 728617132063 in words is "seven hundred twenty-eight billion, six hundred seventeen million, one hundred thirty-two thousand, sixty-three".