728722950734 has 8 divisors (see below), whose sum is σ = 1093182820320. Its totient is φ = 364328677296.

The previous prime is 728722950731. The next prime is 728722950743. The reversal of 728722950734 is 437059227827.

728722950734 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 super-2 number, since 2×728722950734² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 728722950734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728722950731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16371254 + ... + 16415705.

It is an arithmetic number, because the mean of its divisors is an integer number (136647852540).

Almost surely, 2^728722950734 is an apocalyptic number.

728722950734 is a deficient number, since it is larger than the sum of its proper divisors (364459869586).

728722950734 is a wasteful number, since it uses less digits than its factorization.

728722950734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32798074.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 728722950734 in words is "seven hundred twenty-eight billion, seven hundred twenty-two million, nine hundred fifty thousand, seven hundred thirty-four".