729698 has 16 divisors (see below), whose sum is σ = 1183680. Its totient is φ = 336336.

The previous prime is 729689. The next prime is 729713. The reversal of 729698 is 896927.

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

It is a congruent number.

It is an unprimeable number.

729698 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (73980).

2⁷²⁹⁶⁹⁸ is an apocalyptic number.

729698 is a deficient number, since it is larger than the sum of its proper divisors (453982).

729698 is a wasteful number, since it uses less digits than its factorization.

729698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its digits is 54432, while the sum is 41.

The square root of 729698 is about 854.2236241172. The cubic root of 729698 is about 90.0287151171.

The spelling of 729698 in words is "seven hundred twenty-nine thousand, six hundred ninety-eight".