7214418 has 24 divisors (see below), whose sum is σ = 15682368. Its totient is φ = 2396952.

The previous prime is 7214399. The next prime is 7214423. The reversal of 7214418 is 8144127.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7214391 and 7214400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8355 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (653432).

Almost surely, 2^7214418 is an apocalyptic number.

7214418 is an abundant number, since it is smaller than the sum of its proper divisors (8467950).

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

7214418 is a wasteful number, since it uses less digits than its factorization.

7214418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1315 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 7214418 is about 2685.9668650227. The cubic root of 7214418 is about 193.2266838136.

The spelling of 7214418 in words is "seven million, two hundred fourteen thousand, four hundred eighteen".