729339435273 has 64 divisors (see below), whose sum is σ = 1069905674240. Its totient is φ = 440323091712.

The previous prime is 729339435229. The next prime is 729339435289. The reversal of 729339435273 is 372534933927.

It is not a de Polignac number, because 729339435273 - 2¹⁷ = 729339304201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (729339435173) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27574611 + ... + 27601047.

It is an arithmetic number, because the mean of its divisors is an integer number (16717276160).

Almost surely, 2^729339435273 is an apocalyptic number.

It is an amenable number.

729339435273 is a deficient number, since it is larger than the sum of its proper divisors (340566238967).

729339435273 is a wasteful number, since it uses less digits than its factorization.

729339435273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26726.

The product of its digits is 25719120, while the sum is 57.

The spelling of 729339435273 in words is "seven hundred twenty-nine billion, three hundred thirty-nine million, four hundred thirty-five thousand, two hundred seventy-three".