716712720 has 80 divisors (see below), whose sum is σ = 2226553920. Its totient is φ = 190715392.

The previous prime is 716712713. The next prime is 716712739. The reversal of 716712720 is 27217617.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 119227 + ... + 125093.

It is an arithmetic number, because the mean of its divisors is an integer number (27831924).

Almost surely, 2^716712720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716712720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113276960).

716712720 is an abundant number, since it is smaller than the sum of its proper divisors (1509841200).

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

716712720 is a wasteful number, since it uses less digits than its factorization.

716712720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 716712720 is about 26771.4908064530. The cubic root of 716712720 is about 894.9148280944.

The spelling of 716712720 in words is "seven hundred sixteen million, seven hundred twelve thousand, seven hundred twenty".