729016 has 8 divisors (see below), whose sum is σ = 1366920. Its totient is φ = 364504.

The previous prime is 728993. The next prime is 729019. The reversal of 729016 is 610927.

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45556 + ... + 45571.

It is an arithmetic number, because the mean of its divisors is an integer number (170865).

2⁷²⁹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

729016 is a deficient number, since it is larger than the sum of its proper divisors (637904).

729016 is a wasteful number, since it uses less digits than its factorization.

729016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91133 (or 91129 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 729016 is about 853.8243379056. The cubic root of 729016 is about 90.0006584314. Note that the first 3 decimals are identical.

The spelling of 729016 in words is "seven hundred twenty-nine thousand, sixteen".