729336 has 16 divisors (see below), whose sum is σ = 1823400. Its totient is φ = 243104.

The previous prime is 729331. The next prime is 729359. The reversal of 729336 is 633927.

729336 = T₄₂₃ + T₄₂₄ + ... + T₄₃₀.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15171 + ... + 15218.

2⁷²⁹³³⁶ is an apocalyptic number.

It is an amenable number.

729336 is an abundant number, since it is smaller than the sum of its proper divisors (1094064).

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

729336 is a wasteful number, since it uses less digits than its factorization.

729336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30398 (or 30394 counting only the distinct ones).

The product of its digits is 6804, while the sum is 30.

The square root of 729336 is about 854.0117095216. The cubic root of 729336 is about 90.0138250367.

The spelling of 729336 in words is "seven hundred twenty-nine thousand, three hundred thirty-six".