718336512 has 100 divisors (see below), whose sum is σ = 2144169126. Its totient is φ = 239431680.

The previous prime is 718336481. The next prime is 718336517. The reversal of 718336512 is 215633817.

It can be written as a sum of positive squares in only one way, i.e., 664402176 + 53934336 = 25776^2 + 7344^2 .

It is a super-2 number, since 2×718336512² = 1032014688944652288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (718336517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32812 + ... + 50132.

Almost surely, 2^718336512 is an apocalyptic number.

718336512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718336512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072084563).

718336512 is an abundant number, since it is smaller than the sum of its proper divisors (1425832614).

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

718336512 is an equidigital number, since it uses as much as digits as its factorization.

718336512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17351 (or 17326 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 718336512 is about 26801.8005365311. The cubic root of 718336512 is about 895.5901612039.

The spelling of 718336512 in words is "seven hundred eighteen million, three hundred thirty-six thousand, five hundred twelve".