7489418 has 16 divisors (see below), whose sum is σ = 11970504. Its totient is φ = 3502080.

The previous prime is 7489399. The next prime is 7489423. The reversal of 7489418 is 8149847.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4609609 + 2879809 = 2147^2 + 1697^2 .

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 7 ways as a sum of consecutive naturals, for example, 5546 + ... + 6762.

Almost surely, 2^7489418 is an apocalyptic number.

7489418 is a deficient number, since it is larger than the sum of its proper divisors (4481086).

7489418 is a wasteful number, since it uses less digits than its factorization.

7489418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its digits is 64512, while the sum is 41.

The square root of 7489418 is about 2736.6801055293. The cubic root of 7489418 is about 195.6512784400.

The spelling of 7489418 in words is "seven million, four hundred eighty-nine thousand, four hundred eighteen".