729903404 has 6 divisors (see below), whose sum is σ = 1277330964. Its totient is φ = 364951700.

The previous prime is 729903397. The next prime is 729903437. The reversal of 729903404 is 404309927.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91237922 + ... + 91237929.

It is an arithmetic number, because the mean of its divisors is an integer number (212888494).

Almost surely, 2^729903404 is an apocalyptic number.

It is an amenable number.

729903404 is a deficient number, since it is larger than the sum of its proper divisors (547427560).

729903404 is a wasteful number, since it uses less digits than its factorization.

729903404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182475855 (or 182475853 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 729903404 is about 27016.7245238945. The cubic root of 729903404 is about 900.3716177281.

The spelling of 729903404 in words is "seven hundred twenty-nine million, nine hundred three thousand, four hundred four".