7040218 has 16 divisors (see below), whose sum is σ = 10967616. Its totient is φ = 3386880.

The previous prime is 7040213. The next prime is 7040221. The reversal of 7040218 is 8120407.

It is not an unprimeable number, because it can be changed into a prime (7040213) 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, 5530 + ... + 6682.

It is an arithmetic number, because the mean of its divisors is an integer number (685476).

Almost surely, 2^7040218 is an apocalyptic number.

7040218 is a deficient number, since it is larger than the sum of its proper divisors (3927398).

7040218 is a wasteful number, since it uses less digits than its factorization.

7040218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 7040218 is about 2653.3409128870. The cubic root of 7040218 is about 191.6587725377.

The spelling of 7040218 in words is "seven million, forty thousand, two hundred eighteen".