729538232 has 16 divisors (see below), whose sum is σ = 1375793640. Its totient is φ = 362659936.

The previous prime is 729538217. The next prime is 729538241. The reversal of 729538232 is 232835927.

It is a self number, because there is not a number n which added to its sum of digits gives 729538232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262178 + ... + 264945.

Almost surely, 2^729538232 is an apocalyptic number.

It is an amenable number.

729538232 is a deficient number, since it is larger than the sum of its proper divisors (646255408).

729538232 is a wasteful number, since it uses less digits than its factorization.

729538232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527302 (or 527298 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 729538232 is about 27009.9654201926. The cubic root of 729538232 is about 900.2214401616.

The spelling of 729538232 in words is "seven hundred twenty-nine million, five hundred thirty-eight thousand, two hundred thirty-two".