728164755275 has 12 divisors (see below), whose sum is σ = 905482166712. Its totient is φ = 580881565440.

The previous prime is 728164755271. The next prime is 728164755281. The reversal of 728164755275 is 572557461827.

It is not a de Polignac number, because 728164755275 - 2² = 728164755271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728164755271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41246969 + ... + 41264618.

It is an arithmetic number, because the mean of its divisors is an integer number (75456847226).

Almost surely, 2^728164755275 is an apocalyptic number.

728164755275 is a deficient number, since it is larger than the sum of its proper divisors (177317411437).

728164755275 is a wasteful number, since it uses less digits than its factorization.

728164755275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82511950 (or 82511945 counting only the distinct ones).

The product of its digits is 32928000, while the sum is 59.

The spelling of 728164755275 in words is "seven hundred twenty-eight billion, one hundred sixty-four million, seven hundred fifty-five thousand, two hundred seventy-five".