729916 has 24 divisors (see below), whose sum is σ = 1424304. Its totient is φ = 324480.

The previous prime is 729913. The next prime is 729919. The reversal of 729916 is 619927.

729916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (729913) and next prime (729919).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176 + ... + 2488.

It is an arithmetic number, because the mean of its divisors is an integer number (59346).

2⁷²⁹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

729916 is a deficient number, since it is larger than the sum of its proper divisors (694388).

729916 is a wasteful number, since it uses less digits than its factorization.

729916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 729916 is about 854.3512158357. The cubic root of 729916 is about 90.0376796959.

The spelling of 729916 in words is "seven hundred twenty-nine thousand, nine hundred sixteen".