718867968 has 320 divisors, whose sum is σ = 2438177280. Its totient is φ = 183140352.

The previous prime is 718867957. The next prime is 718867973. The reversal of 718867968 is 869768817.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5171643 + ... + 5171781.

It is an arithmetic number, because the mean of its divisors is an integer number (7619304).

Almost surely, 2^718867968 is an apocalyptic number.

718867968 is a gapful number since it is divisible by the number (78) 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 718867968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219088640).

718867968 is an abundant number, since it is smaller than the sum of its proper divisors (1719309312).

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

718867968 is a wasteful number, since it uses less digits than its factorization.

718867968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 201 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 60.

The square root of 718867968 is about 26811.7132611849. The cubic root of 718867968 is about 895.8109720286.

The spelling of 718867968 in words is "seven hundred eighteen million, eight hundred sixty-seven thousand, nine hundred sixty-eight".