729964 has 12 divisors (see below), whose sum is σ = 1308888. Its totient is φ = 356000.

The previous prime is 729947. The next prime is 729977. The reversal of 729964 is 469927.

729964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (109074).

2⁷²⁹⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

729964 is a deficient number, since it is larger than the sum of its proper divisors (578924).

729964 is a wasteful number, since it uses less digits than its factorization.

729964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4494 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 729964 is about 854.3793068655. The cubic root of 729964 is about 90.0396533084.

Subtracting from 729964 its sum of digits (37), we obtain a palindrome (729927).

The spelling of 729964 in words is "seven hundred twenty-nine thousand, nine hundred sixty-four".