728715793723 has 8 divisors (see below), whose sum is σ = 737014053600. Its totient is φ = 720419988288.

The previous prime is 728715793721. The next prime is 728715793787. The reversal of 728715793723 is 327397517827.

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 728715793723 - 2¹ = 728715793721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728715793721) 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, 13111 + ... + 1207312.

It is an arithmetic number, because the mean of its divisors is an integer number (92126756700).

Almost surely, 2^728715793723 is an apocalyptic number.

728715793723 is a deficient number, since it is larger than the sum of its proper divisors (8298259877).

728715793723 is a wasteful number, since it uses less digits than its factorization.

728715793723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227221.

The product of its digits is 31116960, while the sum is 61.

The spelling of 728715793723 in words is "seven hundred twenty-eight billion, seven hundred fifteen million, seven hundred ninety-three thousand, seven hundred twenty-three".