729103 has 4 divisors (see below), whose sum is σ = 746928. Its totient is φ = 711280.

The previous prime is 729073. The next prime is 729139. The reversal of 729103 is 301927.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729143) 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, 8851 + ... + 8932.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

2⁷²⁹¹⁰³ is an apocalyptic number.

729103 is a deficient number, since it is larger than the sum of its proper divisors (17825).

729103 is a wasteful number, since it uses less digits than its factorization.

729103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17824.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 729103 is about 853.8752836334. The cubic root of 729103 is about 90.0042384835.

The spelling of 729103 in words is "seven hundred twenty-nine thousand, one hundred three".