729027968 has 16 divisors (see below), whose sum is σ = 1452360660. Its totient is φ = 364513920.

The previous prime is 729027953. The next prime is 729027989. The reversal of 729027968 is 869720927.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

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, 2847638 + ... + 2847893.

Almost surely, 2^729027968 is an apocalyptic number.

It is an amenable number.

729027968 is a deficient number, since it is larger than the sum of its proper divisors (723332692).

729027968 is an equidigital number, since it uses as much as digits as its factorization.

729027968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695545 (or 5695533 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 729027968 is about 27000.5179209585. The cubic root of 729027968 is about 900.0115093178.

The spelling of 729027968 in words is "seven hundred twenty-nine million, twenty-seven thousand, nine hundred sixty-eight".