729703 has 4 divisors (see below), whose sum is σ = 785848. Its totient is φ = 673560.

The previous prime is 729689. The next prime is 729713. The reversal of 729703 is 307927.

It is a happy number.

729703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307927 = 71 ⋅4337.

It is a cyclic number.

It is not a de Polignac number, because 729703 - 2⁵ = 729671 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 (729713) 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, 28053 + ... + 28078.

It is an arithmetic number, because the mean of its divisors is an integer number (196462).

2⁷²⁹⁷⁰³ is an apocalyptic number.

729703 is a deficient number, since it is larger than the sum of its proper divisors (56145).

729703 is a wasteful number, since it uses less digits than its factorization.

729703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56144.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 729703 is about 854.2265507463. The cubic root of 729703 is about 90.0289207467.

The spelling of 729703 in words is "seven hundred twenty-nine thousand, seven hundred three".