973728043 has 2 divisors, whose sum is σ = 973728044. Its totient is φ = 973728042.

The previous prime is 973727987. The next prime is 973728079. The reversal of 973728043 is 340827379.

973728043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973728043 is a prime.

It is not a weakly prime, because it can be changed into another prime (973728143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486864021 + 486864022.

It is an arithmetic number, because the mean of its divisors is an integer number (486864022).

Almost surely, 2^973728043 is an apocalyptic number.

973728043 is a deficient number, since it is larger than the sum of its proper divisors (1).

973728043 is an equidigital number, since it uses as much as digits as its factorization.

973728043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 973728043 is about 31204.6157322919. The cubic root of 973728043 is about 991.1648510329.

The spelling of 973728043 in words is "nine hundred seventy-three million, seven hundred twenty-eight thousand, forty-three".