718197252 has 24 divisors (see below), whose sum is σ = 1677182976. Its totient is φ = 239200608.

The previous prime is 718197251. The next prime is 718197253. The reversal of 718197252 is 252791817.

It is an interprime number because it is at equal distance from previous prime (718197251) and next prime (718197253).

It is not an unprimeable number, because it can be changed into a prime (718197251) 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 7 ways as a sum of consecutive naturals, for example, 9348 + ... + 39035.

It is an arithmetic number, because the mean of its divisors is an integer number (69882624).

Almost surely, 2^718197252 is an apocalyptic number.

It is an amenable number.

718197252 is an abundant number, since it is smaller than the sum of its proper divisors (958985724).

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

718197252 is a wasteful number, since it uses less digits than its factorization.

718197252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49627 (or 49625 counting only the distinct ones).

The product of its digits is 70560, while the sum is 42.

The square root of 718197252 is about 26799.2024508193. The cubic root of 718197252 is about 895.5322830627.

The spelling of 718197252 in words is "seven hundred eighteen million, one hundred ninety-seven thousand, two hundred fifty-two".