7282818 has 16 divisors (see below), whose sum is σ = 16184160. Its totient is φ = 2427588.

The previous prime is 7282813. The next prime is 7282819. The reversal of 7282818 is 8182827.

It is a super-2 number, since 2×7282818² = 106078876042248, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7282811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67380 + ... + 67487.

It is an arithmetic number, because the mean of its divisors is an integer number (1011510).

Almost surely, 2^7282818 is an apocalyptic number.

7282818 is an abundant number, since it is smaller than the sum of its proper divisors (8901342).

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

7282818 is a wasteful number, since it uses less digits than its factorization.

7282818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134878 (or 134872 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 7282818 is about 2698.6696722645. The cubic root of 7282818 is about 193.8354256665.

Subtracting 7282818 from its reverse (8182827), we obtain a palindrome (900009).

It can be divided in two parts, 7282 and 818, that added together give a square (8100 = 90²).

The spelling of 7282818 in words is "seven million, two hundred eighty-two thousand, eight hundred eighteen".