711660720 has 40 divisors (see below), whose sum is σ = 2206148976. Its totient is φ = 189776128.

The previous prime is 711660671. The next prime is 711660737. The reversal of 711660720 is 27066117.

It is a happy number.

711660720 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482387 + ... + 1482866.

Almost surely, 2^711660720 is an apocalyptic number.

It is an amenable number.

711660720 is an abundant number, since it is smaller than the sum of its proper divisors (1494488256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711660720 is a wasteful number, since it uses less digits than its factorization.

711660720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965269 (or 2965263 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 711660720 is about 26676.9698429188. The cubic root of 711660720 is about 892.8071614962.

The spelling of 711660720 in words is "seven hundred eleven million, six hundred sixty thousand, seven hundred twenty".