718731412340 has 12 divisors (see below), whose sum is σ = 1509335965956. Its totient is φ = 287492564928.

The previous prime is 718731412337. The next prime is 718731412363. The reversal of 718731412340 is 43214137817.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 356678895076 + 362052517264 = 597226^2 + 601708^2 .

It is a super-3 number, since 3×718731412340³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17968285289 + ... + 17968285328.

It is an arithmetic number, because the mean of its divisors is an integer number (125777997163).

Almost surely, 2^718731412340 is an apocalyptic number.

It is an amenable number.

718731412340 is an abundant number, since it is smaller than the sum of its proper divisors (790604553616).

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

718731412340 is a wasteful number, since it uses less digits than its factorization.

718731412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35936570626 (or 35936570624 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 718731412340 in words is "seven hundred eighteen billion, seven hundred thirty-one million, four hundred twelve thousand, three hundred forty".