716645223 has 12 divisors (see below), whose sum is σ = 1183033488. Its totient is φ = 409511520.

The previous prime is 716645213. The next prime is 716645227. The reversal of 716645223 is 322546617.

716645223 is a `hidden beast` number, since 7 + 1 + 6 + 645 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 716645223 - 2⁶ = 716645159 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716645227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5687598 + ... + 5687723.

It is an arithmetic number, because the mean of its divisors is an integer number (98586124).

Almost surely, 2^716645223 is an apocalyptic number.

716645223 is a deficient number, since it is larger than the sum of its proper divisors (466388265).

716645223 is a wasteful number, since it uses less digits than its factorization.

716645223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11375334 (or 11375331 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 716645223 is about 26770.2301633736. The cubic root of 716645223 is about 894.8867341032.

The spelling of 716645223 in words is "seven hundred sixteen million, six hundred forty-five thousand, two hundred twenty-three".