729464 has 8 divisors (see below), whose sum is σ = 1367760. Its totient is φ = 364728.

The previous prime is 729457. The next prime is 729473. The reversal of 729464 is 464927.

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

It is a self number, because there is not a number n which added to its sum of digits gives 729464.

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, 45584 + ... + 45599.

It is an arithmetic number, because the mean of its divisors is an integer number (170970).

2⁷²⁹⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

729464 is a deficient number, since it is larger than the sum of its proper divisors (638296).

729464 is a wasteful number, since it uses less digits than its factorization.

729464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91189 (or 91185 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 729464 is about 854.0866466583. The cubic root of 729464 is about 90.0190906005.

The spelling of 729464 in words is "seven hundred twenty-nine thousand, four hundred sixty-four".