709728764 has 24 divisors (see below), whose sum is σ = 1272559680. Its totient is φ = 346189376.

The previous prime is 709728689. The next prime is 709728781. The reversal of 709728764 is 467827907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53642 + ... + 65550.

It is an arithmetic number, because the mean of its divisors is an integer number (53023320).

Almost surely, 2^709728764 is an apocalyptic number.

It is an amenable number.

709728764 is a deficient number, since it is larger than the sum of its proper divisors (562830916).

709728764 is a wasteful number, since it uses less digits than its factorization.

709728764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277 (or 12275 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 709728764 is about 26640.7350499193. The cubic root of 709728764 is about 891.9985236625.

The spelling of 709728764 in words is "seven hundred nine million, seven hundred twenty-eight thousand, seven hundred sixty-four".