717670266912 has 84 divisors (see below), whose sum is σ = 2118400999470. Its totient is φ = 239223414528.

The previous prime is 717670266893. The next prime is 717670266913. The reversal of 717670266912 is 219662076717.

It can be written as a sum of positive squares in only one way, i.e., 551627056656 + 166043210256 = 742716^2 + 407484^2 .

It is a super-2 number, since 2×717670266912² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (717670266913) 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 13 ways as a sum of consecutive naturals, for example, 15358837 + ... + 15405492.

Almost surely, 2^717670266912 is an apocalyptic number.

717670266912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

717670266912 is an abundant number, since it is smaller than the sum of its proper divisors (1400730732558).

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

717670266912 is an equidigital number, since it uses as much as digits as its factorization.

717670266912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30764357 (or 30764334 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 717670266912 in words is "seven hundred seventeen billion, six hundred seventy million, two hundred sixty-six thousand, nine hundred twelve".