729112 has 8 divisors (see below), whose sum is σ = 1367100. Its totient is φ = 364552.

The previous prime is 729073. The next prime is 729139. The reversal of 729112 is 211927.

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

It is a super-3 number, since 3×729112³ = 1162797241833398784, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45562 + ... + 45577.

2⁷²⁹¹¹² is an apocalyptic number.

It is an amenable number.

729112 is a deficient number, since it is larger than the sum of its proper divisors (637988).

729112 is a wasteful number, since it uses less digits than its factorization.

729112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91145 (or 91141 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 729112 is about 853.8805537076. The cubic root of 729112 is about 90.0046088175.

It can be divided in two parts, 729 and 112, that added together give a square (841 = 29²).

The spelling of 729112 in words is "seven hundred twenty-nine thousand, one hundred twelve".