718711812 has 288 divisors, whose sum is σ = 2416727040. Its totient is φ = 182891520.

The previous prime is 718711811. The next prime is 718711813. The reversal of 718711812 is 218117817.

It is an interprime number because it is at equal distance from previous prime (718711811) and next prime (718711813).

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 (718711811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2132508 + ... + 2132844.

Almost surely, 2^718711812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718711812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208363520).

718711812 is an abundant number, since it is smaller than the sum of its proper divisors (1698015228).

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

718711812 is a wasteful number, since it uses less digits than its factorization.

718711812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 393 counting only the distinct ones).

The product of its digits is 6272, while the sum is 36.

The square root of 718711812 is about 26808.8010175763. The cubic root of 718711812 is about 895.7461031910.

The spelling of 718711812 in words is "seven hundred eighteen million, seven hundred eleven thousand, eight hundred twelve".