729902 has 8 divisors (see below), whose sum is σ = 1108296. Its totient is φ = 360472.

The previous prime is 729877. The next prime is 729907. The reversal of 729902 is 209927.

It is a happy number.

729902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729907) 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, 2033 + ... + 2364.

It is an arithmetic number, because the mean of its divisors is an integer number (138537).

2⁷²⁹⁹⁰² is an apocalyptic number.

729902 is a deficient number, since it is larger than the sum of its proper divisors (378394).

729902 is a wasteful number, since it uses less digits than its factorization.

729902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 729902 is about 854.3430224447. The cubic root of 729902 is about 90.0371040427.

The spelling of 729902 in words is "seven hundred twenty-nine thousand, nine hundred two".