716616720 has 240 divisors, whose sum is σ = 2521838592. Its totient is φ = 189112320.

The previous prime is 716616679. The next prime is 716616751. The reversal of 716616720 is 27616617.

716616720 is a `hidden beast` number, since 7 + 16 + 616 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 3712944 + ... + 3713136.

Almost surely, 2^716616720 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 716616720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260919296).

716616720 is an abundant number, since it is smaller than the sum of its proper divisors (1805221872).

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

716616720 is a wasteful number, since it uses less digits than its factorization.

716616720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 716616720 is about 26769.6977943345. The cubic root of 716616720 is about 894.8748698902.

The spelling of 716616720 in words is "seven hundred sixteen million, six hundred sixteen thousand, seven hundred twenty".