7245418 has 16 divisors (see below), whose sum is σ = 11459880. Its totient is φ = 3430336.

The previous prime is 7245409. The next prime is 7245439. The reversal of 7245418 is 8145427.

It can be written as a sum of positive squares in 4 ways, for example, as 5938969 + 1306449 = 2437^2 + 1143^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7245418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896 + ... + 4252.

Almost surely, 2^7245418 is an apocalyptic number.

7245418 is a deficient number, since it is larger than the sum of its proper divisors (4214462).

7245418 is a wasteful number, since it uses less digits than its factorization.

7245418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441.

The product of its digits is 8960, while the sum is 31.

The square root of 7245418 is about 2691.7314130500. The cubic root of 7245418 is about 193.5030502049.

Subtracting 7245418 from its reverse (8145427), we obtain a palindrome (900009).

The spelling of 7245418 in words is "seven million, two hundred forty-five thousand, four hundred eighteen".