729447744927 has 32 divisors (see below), whose sum is σ = 1099111735296. Its totient is φ = 426316658400.

The previous prime is 729447744911. The next prime is 729447744941.

729447744927 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 729447744927 - 2⁴ = 729447744911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729447744967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 970293 + ... + 1549310.

It is an arithmetic number, because the mean of its divisors is an integer number (34347241728).

Almost surely, 2^729447744927 is an apocalyptic number.

729447744927 is a deficient number, since it is larger than the sum of its proper divisors (369663990369).

729447744927 is a wasteful number, since it uses less digits than its factorization.

729447744927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519931.

The product of its digits is 199148544, while the sum is 66.

The spelling of 729447744927 in words is "seven hundred twenty-nine billion, four hundred forty-seven million, seven hundred forty-four thousand, nine hundred twenty-seven".