729938652 has 12 divisors (see below), whose sum is σ = 1703190216. Its totient is φ = 243312880.

The previous prime is 729938611. The next prime is 729938653. The reversal of 729938652 is 256839927.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 729938595 and 729938604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729938653) 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 in 3 ways as a sum of consecutive naturals, for example, 30414099 + ... + 30414122.

It is an arithmetic number, because the mean of its divisors is an integer number (141932518).

Almost surely, 2^729938652 is an apocalyptic number.

It is an amenable number.

729938652 is an abundant number, since it is smaller than the sum of its proper divisors (973251564).

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

729938652 is a wasteful number, since it uses less digits than its factorization.

729938652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60828228 (or 60828226 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 729938652 is about 27017.3768526850. The cubic root of 729938652 is about 900.3861108733.

The spelling of 729938652 in words is "seven hundred twenty-nine million, nine hundred thirty-eight thousand, six hundred fifty-two".