728585939975 has 12 divisors (see below), whose sum is σ = 903460013400. Its totient is φ = 582860076000.

The previous prime is 728585939947. The next prime is 728585940073. The reversal of 728585939975 is 579939585827.

It is not a de Polignac number, because 728585939975 - 2¹⁴ = 728585923591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 728585939896 and 728585939905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1902176 + ... + 2252874.

It is an arithmetic number, because the mean of its divisors is an integer number (75288334450).

Almost surely, 2^728585939975 is an apocalyptic number.

728585939975 is a deficient number, since it is larger than the sum of its proper divisors (174874073425).

728585939975 is a wasteful number, since it uses less digits than its factorization.

728585939975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433810 (or 433805 counting only the distinct ones).

The product of its digits is 1714608000, while the sum is 77.

The spelling of 728585939975 in words is "seven hundred twenty-eight billion, five hundred eighty-five million, nine hundred thirty-nine thousand, nine hundred seventy-five".