728726300273 has 4 divisors (see below), whose sum is σ = 729028553328. Its totient is φ = 728424047220.

The previous prime is 728726300233. The next prime is 728726300317. The reversal of 728726300273 is 372003627827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 728726300273 - 2¹⁴ = 728726283889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728726300233) 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, 151122911 + ... + 151127732.

It is an arithmetic number, because the mean of its divisors is an integer number (182257138332).

Almost surely, 2^728726300273 is an apocalyptic number.

It is an amenable number.

728726300273 is a deficient number, since it is larger than the sum of its proper divisors (302253055).

728726300273 is a wasteful number, since it uses less digits than its factorization.

728726300273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302253054.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 728726300273 in words is "seven hundred twenty-eight billion, seven hundred twenty-six million, three hundred thousand, two hundred seventy-three".