7420543 has 8 divisors (see below), whose sum is σ = 8023568. Its totient is φ = 6822144.

The previous prime is 7420537. The next prime is 7420561. The reversal of 7420543 is 3450247.

7420543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7420543 - 2¹³ = 7412351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420573) 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, 2671 + ... + 4687.

It is an arithmetic number, because the mean of its divisors is an integer number (1002946).

Almost surely, 2^7420543 is an apocalyptic number.

7420543 is a deficient number, since it is larger than the sum of its proper divisors (603025).

7420543 is a wasteful number, since it uses less digits than its factorization.

7420543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 7420543 is about 2724.0673633374. The cubic root of 7420543 is about 195.0496739548.

The spelling of 7420543 in words is "seven million, four hundred twenty thousand, five hundred forty-three".