75068533 has 2 divisors, whose sum is σ = 75068534. Its totient is φ = 75068532.

The previous prime is 75068531. The next prime is 75068537. The reversal of 75068533 is 33586057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45724644 + 29343889 = 6762^2 + 5417^2 .

It is an emirp because it is prime and its reverse (33586057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75068533 - 2¹ = 75068531 is a prime.

Together with 75068531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 75068492 and 75068501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75068531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37534266 + 37534267.

It is an arithmetic number, because the mean of its divisors is an integer number (37534267).

Almost surely, 2^75068533 is an apocalyptic number.

It is an amenable number.

75068533 is a deficient number, since it is larger than the sum of its proper divisors (1).

75068533 is an equidigital number, since it uses as much as digits as its factorization.

75068533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 75068533 is about 8664.2098889628. The cubic root of 75068533 is about 421.8447445920.

The spelling of 75068533 in words is "seventy-five million, sixty-eight thousand, five hundred thirty-three".