729473326 has 4 divisors (see below), whose sum is σ = 1094209992. Its totient is φ = 364736662.

The previous prime is 729473321. The next prime is 729473333. The reversal of 729473326 is 623374927.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729473321) 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 as a sum of consecutive naturals, namely, 182368330 + ... + 182368333.

It is an arithmetic number, because the mean of its divisors is an integer number (273552498).

Almost surely, 2^729473326 is an apocalyptic number.

729473326 is a deficient number, since it is larger than the sum of its proper divisors (364736666).

729473326 is a wasteful number, since it uses less digits than its factorization.

729473326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364736665.

The product of its digits is 381024, while the sum is 43.

The square root of 729473326 is about 27008.7638739725. The cubic root of 729473326 is about 900.1947422207.

The spelling of 729473326 in words is "seven hundred twenty-nine million, four hundred seventy-three thousand, three hundred twenty-six".