729437223 has 16 divisors (see below), whose sum is σ = 1005056000. Its totient is φ = 470089440.

The previous prime is 729437221. The next prime is 729437239. The reversal of 729437223 is 322734927.

It is not a de Polignac number, because 729437223 - 2¹ = 729437221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729437221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92853 + ... + 100401.

It is an arithmetic number, because the mean of its divisors is an integer number (62816000).

Almost surely, 2^729437223 is an apocalyptic number.

729437223 is a deficient number, since it is larger than the sum of its proper divisors (275618777).

729437223 is a wasteful number, since it uses less digits than its factorization.

729437223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8622.

The product of its digits is 127008, while the sum is 39.

The square root of 729437223 is about 27008.0955085693. The cubic root of 729437223 is about 900.1798912016.

The spelling of 729437223 in words is "seven hundred twenty-nine million, four hundred thirty-seven thousand, two hundred twenty-three".