729008842 has 16 divisors (see below), whose sum is σ = 1119998880. Its totient is φ = 355691952.

The previous prime is 729008831. The next prime is 729008857. The reversal of 729008842 is 248800927.

It is a junction number, because it is equal to n+sod(n) for n = 729008795 and 729008804.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 104908 + ... + 111640.

It is an arithmetic number, because the mean of its divisors is an integer number (69999930).

Almost surely, 2^729008842 is an apocalyptic number.

729008842 is a deficient number, since it is larger than the sum of its proper divisors (390990038).

729008842 is a wasteful number, since it uses less digits than its factorization.

729008842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 729008842 is about 27000.1637402442. The cubic root of 729008842 is about 900.0036386684.

The spelling of 729008842 in words is "seven hundred twenty-nine million, eight thousand, eight hundred forty-two".