75868337 has 2 divisors, whose sum is σ = 75868338. Its totient is φ = 75868336.

The previous prime is 75868333. The next prime is 75868339. The reversal of 75868337 is 73386857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 30924721 = 6704^2 + 5561^2 .

It is a cyclic number.

It is not a de Polignac number, because 75868337 - 2² = 75868333 is a prime.

Together with 75868339, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75868291 and 75868300.

It is not a weakly prime, because it can be changed into another prime (75868333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37934168 + 37934169.

It is an arithmetic number, because the mean of its divisors is an integer number (37934169).

Almost surely, 2^75868337 is an apocalyptic number.

It is an amenable number.

75868337 is a deficient number, since it is larger than the sum of its proper divisors (1).

75868337 is an equidigital number, since it uses as much as digits as its factorization.

75868337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 75868337 is about 8710.2432227809. The cubic root of 75868337 is about 423.3376112298.

The spelling of 75868337 in words is "seventy-five million, eight hundred sixty-eight thousand, three hundred thirty-seven".