729038 has 8 divisors (see below), whose sum is σ = 1097280. Its totient is φ = 363280.

The previous prime is 729037. The next prime is 729041. The reversal of 729038 is 830927.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 729038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729037) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (137160).

2⁷²⁹⁰³⁸ is an apocalyptic number.

729038 is a deficient number, since it is larger than the sum of its proper divisors (368242).

729038 is a wasteful number, since it uses less digits than its factorization.

729038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 729038 is about 853.8372210205. The cubic root of 729038 is about 90.0015637588.

The spelling of 729038 in words is "seven hundred twenty-nine thousand, thirty-eight".