7342218 has 32 divisors (see below), whose sum is σ = 17572800. Its totient is φ = 2258928.

The previous prime is 7342213. The next prime is 7342253. The reversal of 7342218 is 8122437.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 7342191 and 7342200.

It is not an unprimeable number, because it can be changed into a prime (7342211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4528 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (549150).

Almost surely, 2^7342218 is an apocalyptic number.

7342218 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

7342218 is an abundant number, since it is smaller than the sum of its proper divisors (10230582).

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

7342218 is a wasteful number, since it uses less digits than its factorization.

7342218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483 (or 10477 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 7342218 is about 2709.6527452794. The cubic root of 7342218 is about 194.3609851594.

It can be divided in two parts, 7 and 342218, that added together give a square (342225 = 585²).

The spelling of 7342218 in words is "seven million, three hundred forty-two thousand, two hundred eighteen".