729772 has 6 divisors (see below), whose sum is σ = 1277108. Its totient is φ = 364884.

The previous prime is 729761. The next prime is 729779. The reversal of 729772 is 277927.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (729779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91218 + ... + 91225.

2⁷²⁹⁷⁷² is an apocalyptic number.

It is an amenable number.

729772 is a deficient number, since it is larger than the sum of its proper divisors (547336).

729772 is a wasteful number, since it uses less digits than its factorization.

729772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182447 (or 182445 counting only the distinct ones).

The product of its digits is 12348, while the sum is 34.

The square root of 729772 is about 854.2669372041. The cubic root of 729772 is about 90.0317583394.

The spelling of 729772 in words is "seven hundred twenty-nine thousand, seven hundred seventy-two".