716705217 has 24 divisors (see below), whose sum is σ = 1073280000. Its totient is φ = 460319328.

The previous prime is 716705201. The next prime is 716705221. The reversal of 716705217 is 712507617.

716705217 is a `hidden beast` number, since 71 + 67 + 0 + 521 + 7 = 666.

It is not a de Polignac number, because 716705217 - 2⁴ = 716705201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716705237) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 127488 + ... + 132990.

It is an arithmetic number, because the mean of its divisors is an integer number (44720000).

Almost surely, 2^716705217 is an apocalyptic number.

It is an amenable number.

716705217 is a deficient number, since it is larger than the sum of its proper divisors (356574783).

716705217 is a wasteful number, since it uses less digits than its factorization.

716705217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037 (or 6034 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 716705217 is about 26771.3506756757. The cubic root of 716705217 is about 894.9117052395.

The spelling of 716705217 in words is "seven hundred sixteen million, seven hundred five thousand, two hundred seventeen".