8118738 has 64 divisors (see below), whose sum is σ = 19555200. Its totient is φ = 2488320.

The previous prime is 8118731. The next prime is 8118739. The reversal of 8118738 is 8378118.

It is not an unprimeable number, because it can be changed into a prime (8118731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41970 + ... + 42162.

It is an arithmetic number, because the mean of its divisors is an integer number (305550).

Almost surely, 2^8118738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8118738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9777600).

8118738 is an abundant number, since it is smaller than the sum of its proper divisors (11436462).

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

8118738 is a wasteful number, since it uses less digits than its factorization.

8118738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 258 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 8118738 is about 2849.3399235612. The cubic root of 8118738 is about 200.9846279177.

It can be divided in two parts, 81187 and 38, that added together give a square (81225 = 285²).

The spelling of 8118738 in words is "eight million, one hundred eighteen thousand, seven hundred thirty-eight".