718868534 has 16 divisors (see below), whose sum is σ = 1141862400. Its totient is φ = 338474664.

The previous prime is 718868533. The next prime is 718868573. The reversal of 718868534 is 435868817.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718868533) 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, 50294 + ... + 62985.

It is an arithmetic number, because the mean of its divisors is an integer number (71366400).

Almost surely, 2^718868534 is an apocalyptic number.

718868534 is a deficient number, since it is larger than the sum of its proper divisors (422993866).

718868534 is a wasteful number, since it uses less digits than its factorization.

718868534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113467.

The product of its digits is 1290240, while the sum is 50.

The square root of 718868534 is about 26811.7238162711. The cubic root of 718868534 is about 895.8112071338.

The spelling of 718868534 in words is "seven hundred eighteen million, eight hundred sixty-eight thousand, five hundred thirty-four".