7973543 has 2 divisors, whose sum is σ = 7973544. Its totient is φ = 7973542.

The previous prime is 7973519. The next prime is 7973591. The reversal of 7973543 is 3453797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7973543 - 2¹⁸ = 7711399 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7973497 and 7973506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7973143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986771 + 3986772.

It is an arithmetic number, because the mean of its divisors is an integer number (3986772).

Almost surely, 2^7973543 is an apocalyptic number.

7973543 is a deficient number, since it is larger than the sum of its proper divisors (1).

7973543 is an equidigital number, since it uses as much as digits as its factorization.

7973543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 38.

The square root of 7973543 is about 2823.7462704712. The cubic root of 7973543 is about 199.7792815063.

The spelling of 7973543 in words is "seven million, nine hundred seventy-three thousand, five hundred forty-three".