716405445 has 32 divisors (see below), whose sum is σ = 1455555840. Its totient is φ = 327499200.

The previous prime is 716405441. The next prime is 716405447. The reversal of 716405445 is 544504617.

716405445 is a `hidden beast` number, since 7 + 1 + 640 + 5 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 716405445 - 2² = 716405441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716405441) 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 31 ways as a sum of consecutive naturals, for example, 378106 + ... + 379995.

It is an arithmetic number, because the mean of its divisors is an integer number (45486120).

Almost surely, 2^716405445 is an apocalyptic number.

It is an amenable number.

716405445 is an abundant number, since it is smaller than the sum of its proper divisors (739150395).

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

716405445 is a wasteful number, since it uses less digits than its factorization.

716405445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758122 (or 758116 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 716405445 is about 26765.7513438349. The cubic root of 716405445 is about 894.7869180530.

The spelling of 716405445 in words is "seven hundred sixteen million, four hundred five thousand, four hundred forty-five".