84730543 has 2 divisors, whose sum is σ = 84730544. Its totient is φ = 84730542.

The previous prime is 84730537. The next prime is 84730553. The reversal of 84730543 is 34503748.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84730543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84730499 and 84730508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84730553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42365271 + 42365272.

It is an arithmetic number, because the mean of its divisors is an integer number (42365272).

Almost surely, 2^84730543 is an apocalyptic number.

84730543 is a deficient number, since it is larger than the sum of its proper divisors (1).

84730543 is an equidigital number, since it uses as much as digits as its factorization.

84730543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 84730543 is about 9204.9194999196. The cubic root of 84730543 is about 439.2178649932.

The spelling of 84730543 in words is "eighty-four million, seven hundred thirty thousand, five hundred forty-three".