7243818 has 16 divisors (see below), whose sum is σ = 14514336. Its totient is φ = 2410160.

The previous prime is 7243787. The next prime is 7243837. The reversal of 7243818 is 8183427.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5005 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (907146).

Almost surely, 2^7243818 is an apocalyptic number.

7243818 is an abundant number, since it is smaller than the sum of its proper divisors (7270518).

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

7243818 is a wasteful number, since it uses less digits than its factorization.

7243818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its digits is 10752, while the sum is 33.

The square root of 7243818 is about 2691.4341901670. The cubic root of 7243818 is about 193.4888054471.

The spelling of 7243818 in words is "seven million, two hundred forty-three thousand, eight hundred eighteen".