729996 has 24 divisors (see below), whose sum is σ = 1720320. Its totient is φ = 240912.

The previous prime is 729991. The next prime is 730003. The reversal of 729996 is 699927.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 729996.

It is not an unprimeable number, because it can be changed into a prime (729991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (71680).

2⁷²⁹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

729996 is an abundant number, since it is smaller than the sum of its proper divisors (990324).

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

729996 is a wasteful number, since it uses less digits than its factorization.

729996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 611 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 729996 is about 854.3980337056. The cubic root of 729996 is about 90.0409690019.

It can be divided in two parts, 7 and 29996, that added together give a palindrome (30003).

The spelling of 729996 in words is "seven hundred twenty-nine thousand, nine hundred ninety-six".