718475940 has 192 divisors, whose sum is σ = 2751275520. Its totient is φ = 151580160.

The previous prime is 718475939. The next prime is 718475951. The reversal of 718475940 is 49574817.

It is a happy number.

718475940 is a `hidden beast` number, since 7 + 18 + 47 + 594 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 41830 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (14329560).

Almost surely, 2^718475940 is an apocalyptic number.

718475940 is a gapful number since it is divisible by the number (70) 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 718475940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375637760).

718475940 is an abundant number, since it is smaller than the sum of its proper divisors (2032799580).

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

718475940 is a wasteful number, since it uses less digits than its factorization.

718475940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14659 (or 14651 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 718475940 is about 26804.4015042306. The cubic root of 718475940 is about 895.6481016746.

The spelling of 718475940 in words is "seven hundred eighteen million, four hundred seventy-five thousand, nine hundred forty".