729736803 has 8 divisors (see below), whose sum is σ = 1081091600. Its totient is φ = 486491184.

The previous prime is 729736783. The next prime is 729736811. The reversal of 729736803 is 308637927.

It is a happy number.

It is not a de Polignac number, because 729736803 - 2⁸ = 729736547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729736873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13513618 + ... + 13513671.

It is an arithmetic number, because the mean of its divisors is an integer number (135136450).

Almost surely, 2^729736803 is an apocalyptic number.

729736803 is a deficient number, since it is larger than the sum of its proper divisors (351354797).

729736803 is a wasteful number, since it uses less digits than its factorization.

729736803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27027298 (or 27027292 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 729736803 is about 27013.6410541045. The cubic root of 729736803 is about 900.3031090162.

It can be divided in two parts, 7297 and 36803, that added together give a square (44100 = 210²).

The spelling of 729736803 in words is "seven hundred twenty-nine million, seven hundred thirty-six thousand, eight hundred three".