75834047 has 2 divisors, whose sum is σ = 75834048. Its totient is φ = 75834046.

The previous prime is 75834023. The next prime is 75834061. The reversal of 75834047 is 74043857.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75834047 - 2²⁶ = 8725183 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75834047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75834007) 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, 37917023 + 37917024.

It is an arithmetic number, because the mean of its divisors is an integer number (37917024).

Almost surely, 2^75834047 is an apocalyptic number.

75834047 is a deficient number, since it is larger than the sum of its proper divisors (1).

75834047 is an equidigital number, since it uses as much as digits as its factorization.

75834047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 75834047 is about 8708.2746281913. The cubic root of 75834047 is about 423.2738233802.

The spelling of 75834047 in words is "seventy-five million, eight hundred thirty-four thousand, forty-seven".