75893393 has 2 divisors, whose sum is σ = 75893394. Its totient is φ = 75893392.

The previous prime is 75893381. The next prime is 75893407. The reversal of 75893393 is 39339857.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67782289 + 8111104 = 8233^2 + 2848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75893393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (75893093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37946696 + 37946697.

It is an arithmetic number, because the mean of its divisors is an integer number (37946697).

Almost surely, 2^75893393 is an apocalyptic number.

It is an amenable number.

75893393 is a deficient number, since it is larger than the sum of its proper divisors (1).

75893393 is an equidigital number, since it uses as much as digits as its factorization.

75893393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 75893393 is about 8711.6814106118. The cubic root of 75893393 is about 423.3842094117.

The spelling of 75893393 in words is "seventy-five million, eight hundred ninety-three thousand, three hundred ninety-three".