5618718 has 48 divisors (see below), whose sum is σ = 14651520. Its totient is φ = 1520208.

The previous prime is 5618713. The next prime is 5618729. The reversal of 5618718 is 8178165.

5618718 is a `hidden beast` number, since 561 + 87 + 18 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618713) 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 23 ways as a sum of consecutive naturals, for example, 1221 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (305240).

Almost surely, 2^5618718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5618718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7325760).

5618718 is an abundant number, since it is smaller than the sum of its proper divisors (9032802).

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

5618718 is a wasteful number, since it uses less digits than its factorization.

5618718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2378 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 5618718 is about 2370.3835132737. The cubic root of 5618718 is about 177.7784349223.

It can be divided in two parts, 5618 and 718, that added together give a palindrome (6336).

The spelling of 5618718 in words is "five million, six hundred eighteen thousand, seven hundred eighteen".