729703628 has 6 divisors (see below), whose sum is σ = 1276981356. Its totient is φ = 364851812.

The previous prime is 729703591. The next prime is 729703669. The reversal of 729703628 is 826307927.

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 as a sum of consecutive naturals, namely, 91212950 + ... + 91212957.

It is an arithmetic number, because the mean of its divisors is an integer number (212830226).

Almost surely, 2^729703628 is an apocalyptic number.

It is an amenable number.

729703628 is a deficient number, since it is larger than the sum of its proper divisors (547277728).

729703628 is a wasteful number, since it uses less digits than its factorization.

729703628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182425911 (or 182425909 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 729703628 is about 27013.0270055024. The cubic root of 729703628 is about 900.2894657373.

The spelling of 729703628 in words is "seven hundred twenty-nine million, seven hundred three thousand, six hundred twenty-eight".