729782716 has 12 divisors (see below), whose sum is σ = 1375359832. Its totient is φ = 336822768.

The previous prime is 729782689. The next prime is 729782717. The reversal of 729782716 is 617287927.

It is a self number, because there is not a number n which added to its sum of digits gives 729782716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729782717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7017090 + ... + 7017193.

Almost surely, 2^729782716 is an apocalyptic number.

It is an amenable number.

729782716 is a deficient number, since it is larger than the sum of its proper divisors (645577116).

729782716 is a wasteful number, since it uses less digits than its factorization.

729782716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034300 (or 14034298 counting only the distinct ones).

The product of its digits is 592704, while the sum is 49.

The square root of 729782716 is about 27014.4908521334. The cubic root of 729782716 is about 900.3219901387.

The spelling of 729782716 in words is "seven hundred twenty-nine million, seven hundred eighty-two thousand, seven hundred sixteen".