729329072 has 10 divisors (see below), whose sum is σ = 1413075108. Its totient is φ = 364664528.

The previous prime is 729329071. The next prime is 729329077. The reversal of 729329072 is 270923927.

It is not an unprimeable number, because it can be changed into a prime (729329071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22791518 + ... + 22791549.

Almost surely, 2^729329072 is an apocalyptic number.

It is an amenable number.

729329072 is a deficient number, since it is larger than the sum of its proper divisors (683746036).

729329072 is a wasteful number, since it uses less digits than its factorization.

729329072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45583075 (or 45583069 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 729329072 is about 27006.0932383786. The cubic root of 729329072 is about 900.1354002049.

The spelling of 729329072 in words is "seven hundred twenty-nine million, three hundred twenty-nine thousand, seventy-two".