729516 has 12 divisors (see below), whose sum is σ = 1702232. Its totient is φ = 243168.

The previous prime is 729511. The next prime is 729527. The reversal of 729516 is 615927.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (729511) by changing a digit.

729516 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 3 ways as a sum of consecutive naturals, for example, 30385 + ... + 30408.

2⁷²⁹⁵¹⁶ is an apocalyptic number.

It is an amenable number.

729516 is an abundant number, since it is smaller than the sum of its proper divisors (972716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729516 is a wasteful number, since it uses less digits than its factorization.

729516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60800 (or 60798 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 729516 is about 854.1170879920. The cubic root of 729516 is about 90.0212295598.

The spelling of 729516 in words is "seven hundred twenty-nine thousand, five hundred sixteen".