729764 has 24 divisors (see below), whose sum is σ = 1485120. Its totient is φ = 307296.

The previous prime is 729761. The next prime is 729779. The reversal of 729764 is 467927.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 729764.

It is not an unprimeable number, because it can be changed into a prime (729761) 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, 1682 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (61880).

2⁷²⁹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

729764 is an abundant number, since it is smaller than the sum of its proper divisors (755356).

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

729764 is a wasteful number, since it uses less digits than its factorization.

729764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

The square root of 729764 is about 854.2622548141. The cubic root of 729764 is about 90.0314293523.

The spelling of 729764 in words is "seven hundred twenty-nine thousand, seven hundred sixty-four".