7072543 has 2 divisors, whose sum is σ = 7072544. Its totient is φ = 7072542.

The previous prime is 7072537. The next prime is 7072547. The reversal of 7072543 is 3452707.

7072543 is digitally balanced in base 3, 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 not a de Polignac number, because 7072543 - 2⁹ = 7072031 is a prime.

It is an alternating number because its digits alternate between odd and even.

7072543 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7072547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536271 + 3536272.

It is an arithmetic number, because the mean of its divisors is an integer number (3536272).

Almost surely, 2^7072543 is an apocalyptic number.

7072543 is a deficient number, since it is larger than the sum of its proper divisors (1).

7072543 is an equidigital number, since it uses as much as digits as its factorization.

7072543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 7072543 is about 2659.4253138601. The cubic root of 7072543 is about 191.9516570274.

The spelling of 7072543 in words is "seven million, seventy-two thousand, five hundred forty-three".