729083273 has 4 divisors (see below), whose sum is σ = 729176448. Its totient is φ = 728990100.

The previous prime is 729083269. The next prime is 729083429. The reversal of 729083273 is 372380927.

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, and also an emirpimes, since its reverse is a distinct semiprime: 372380927 = 443 ⋅840589.

It is a cyclic number.

It is not a de Polignac number, because 729083273 - 2² = 729083269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 729083273.

It is not an unprimeable number, because it can be changed into a prime (729083263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33653 + ... + 50898.

It is an arithmetic number, because the mean of its divisors is an integer number (182294112).

Almost surely, 2^729083273 is an apocalyptic number.

It is an amenable number.

729083273 is a deficient number, since it is larger than the sum of its proper divisors (93175).

729083273 is an equidigital number, since it uses as much as digits as its factorization.

729083273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93174.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 729083273 is about 27001.5420485572. The cubic root of 729083273 is about 900.0342674195.

The spelling of 729083273 in words is "seven hundred twenty-nine million, eighty-three thousand, two hundred seventy-three".