76530943 has 2 divisors, whose sum is σ = 76530944. Its totient is φ = 76530942.

The previous prime is 76530941. The next prime is 76530953. The reversal of 76530943 is 34903567.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76530943 - 2¹ = 76530941 is a prime.

Together with 76530941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76530941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38265471 + 38265472.

It is an arithmetic number, because the mean of its divisors is an integer number (38265472).

Almost surely, 2^76530943 is an apocalyptic number.

76530943 is a deficient number, since it is larger than the sum of its proper divisors (1).

76530943 is an equidigital number, since it uses as much as digits as its factorization.

76530943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 76530943 is about 8748.1965570053. The cubic root of 76530943 is about 424.5664654069.

The spelling of 76530943 in words is "seventy-six million, five hundred thirty thousand, nine hundred forty-three".