718240000 has 135 divisors (see below), whose sum is σ = 1818657687. Its totient is φ = 283008000.

The previous prime is 718239979. The next prime is 718240007. The reversal of 718240000 is 42817.

The square root of 718240000 is 26800.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 56310016 + 661929984 = 7504^2 + 25728^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (718240007) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10719967 + ... + 10720033.

Almost surely, 2^718240000 is an apocalyptic number.

718240000 is the 26800-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718240000

718240000 is an abundant number, since it is smaller than the sum of its proper divisors (1100417687).

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

718240000 is an frugal number, since it uses more digits than its factorization.

718240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The cubic root of 718240000 is about 895.5500504446.

Adding to 718240000 its reverse (42817), we get a palindrome (718282817).

The spelling of 718240000 in words is "seven hundred eighteen million, two hundred forty thousand".