729144924 has 24 divisors (see below), whose sum is σ = 1756220928. Its totient is φ = 235207920.

The previous prime is 729144907. The next prime is 729144947. The reversal of 729144924 is 429441927.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979662 + ... + 980405.

It is an arithmetic number, because the mean of its divisors is an integer number (73175872).

Almost surely, 2^729144924 is an apocalyptic number.

It is an amenable number.

729144924 is an abundant number, since it is smaller than the sum of its proper divisors (1027076004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729144924 is a wasteful number, since it uses less digits than its factorization.

729144924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960105 (or 1960103 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 729144924 is about 27002.6836444084. The cubic root of 729144924 is about 900.0596355545.

The spelling of 729144924 in words is "seven hundred twenty-nine million, one hundred forty-four thousand, nine hundred twenty-four".