75849533 has 2 divisors, whose sum is σ = 75849534. Its totient is φ = 75849532.

The previous prime is 75849517. The next prime is 75849547. The reversal of 75849533 is 33594857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63648484 + 12201049 = 7978^2 + 3493^2 .

It is a cyclic number.

It is not a de Polignac number, because 75849533 - 2⁴ = 75849517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75849833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37924766 + 37924767.

It is an arithmetic number, because the mean of its divisors is an integer number (37924767).

Almost surely, 2^75849533 is an apocalyptic number.

It is an amenable number.

75849533 is a deficient number, since it is larger than the sum of its proper divisors (1).

75849533 is an equidigital number, since it uses as much as digits as its factorization.

75849533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 75849533 is about 8709.1637371220. The cubic root of 75849533 is about 423.3026335368.

The spelling of 75849533 in words is "seventy-five million, eight hundred forty-nine thousand, five hundred thirty-three".