728674161817 has 16 divisors (see below), whose sum is σ = 841488963840. Its totient is φ = 618041023488.

The previous prime is 728674161799. The next prime is 728674161821. The reversal of 728674161817 is 718161476827.

It is not a de Polignac number, because 728674161817 - 2¹⁵ = 728674129049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (728674162817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4378668 + ... + 4542034.

It is an arithmetic number, because the mean of its divisors is an integer number (52593060240).

Almost surely, 2^728674161817 is an apocalyptic number.

It is an amenable number.

728674161817 is a deficient number, since it is larger than the sum of its proper divisors (112814802023).

728674161817 is a wasteful number, since it uses less digits than its factorization.

728674161817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170040.

The product of its digits is 6322176, while the sum is 58.

The spelling of 728674161817 in words is "seven hundred twenty-eight billion, six hundred seventy-four million, one hundred sixty-one thousand, eight hundred seventeen".