76305643 has 2 divisors, whose sum is σ = 76305644. Its totient is φ = 76305642.

The previous prime is 76305587. The next prime is 76305667. The reversal of 76305643 is 34650367.

It is a strong prime.

It is an emirp because it is prime and its reverse (34650367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76305643 - 2¹³ = 76297451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76305599 and 76305608.

It is not a weakly prime, because it can be changed into another prime (76305683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38152821 + 38152822.

It is an arithmetic number, because the mean of its divisors is an integer number (38152822).

Almost surely, 2^76305643 is an apocalyptic number.

76305643 is a deficient number, since it is larger than the sum of its proper divisors (1).

76305643 is an equidigital number, since it uses as much as digits as its factorization.

76305643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 76305643 is about 8735.3101261489. The cubic root of 76305643 is about 424.1494277964.

The spelling of 76305643 in words is "seventy-six million, three hundred five thousand, six hundred forty-three".