711968320 has 112 divisors (see below), whose sum is σ = 2000268288. Its totient is φ = 236206080.

The previous prime is 711968317. The next prime is 711968371. The reversal of 711968320 is 23869117.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 711968320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64314 + ... + 74566.

Almost surely, 2^711968320 is an apocalyptic number.

711968320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 711968320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000134144).

711968320 is an abundant number, since it is smaller than the sum of its proper divisors (1288299968).

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

711968320 is a wasteful number, since it uses less digits than its factorization.

711968320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10308 (or 10298 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 711968320 is about 26682.7344925515. The cubic root of 711968320 is about 892.9357751822.

The spelling of 711968320 in words is "seven hundred eleven million, nine hundred sixty-eight thousand, three hundred twenty".