94075643 has 2 divisors, whose sum is σ = 94075644. Its totient is φ = 94075642.

The previous prime is 94075549. The next prime is 94075651. The reversal of 94075643 is 34657049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94075643 - 2²² = 89881339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 94075597 and 94075606.

It is not a weakly prime, because it can be changed into another prime (94075693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47037821 + 47037822.

It is an arithmetic number, because the mean of its divisors is an integer number (47037822).

Almost surely, 2^94075643 is an apocalyptic number.

94075643 is a deficient number, since it is larger than the sum of its proper divisors (1).

94075643 is an equidigital number, since it uses as much as digits as its factorization.

94075643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 94075643 is about 9699.2599202207. The cubic root of 94075643 is about 454.8055249081.

The spelling of 94075643 in words is "ninety-four million, seventy-five thousand, six hundred forty-three".