7240443 has 16 divisors (see below), whose sum is σ = 11070720. Its totient is φ = 4123296.

The previous prime is 7240439. The next prime is 7240447. The reversal of 7240443 is 3440427.

It is an interprime number because it is at equal distance from previous prime (7240439) and next prime (7240447).

It is not a de Polignac number, because 7240443 - 2² = 7240439 is a prime.

7240443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7240447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11388 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (691920).

Almost surely, 2^7240443 is an apocalyptic number.

7240443 is a deficient number, since it is larger than the sum of its proper divisors (3830277).

7240443 is a wasteful number, since it uses less digits than its factorization.

7240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 7240443 is about 2690.8071279822. The cubic root of 7240443 is about 193.4587510309.

The spelling of 7240443 in words is "seven million, two hundred forty thousand, four hundred forty-three".