718226768 has 20 divisors (see below), whose sum is σ = 1590359520. Its totient is φ = 307811424.

The previous prime is 718226767. The next prime is 718226813. The reversal of 718226768 is 867622817.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718226767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206258 + ... + 3206481.

It is an arithmetic number, because the mean of its divisors is an integer number (79517976).

Almost surely, 2^718226768 is an apocalyptic number.

It is an amenable number.

718226768 is an abundant number, since it is smaller than the sum of its proper divisors (872132752).

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

718226768 is a wasteful number, since it uses less digits than its factorization.

718226768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412754 (or 6412748 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 718226768 is about 26799.7531331914. The cubic root of 718226768 is about 895.5445508943.

The spelling of 718226768 in words is "seven hundred eighteen million, two hundred twenty-six thousand, seven hundred sixty-eight".