75328817 has 2 divisors, whose sum is σ = 75328818. Its totient is φ = 75328816.

The previous prime is 75328811. The next prime is 75328829. The reversal of 75328817 is 71882357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73891216 + 1437601 = 8596^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 75328817 - 2⁴ = 75328801 is a prime.

It is not a weakly prime, because it can be changed into another prime (75328811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37664408 + 37664409.

It is an arithmetic number, because the mean of its divisors is an integer number (37664409).

Almost surely, 2^75328817 is an apocalyptic number.

It is an amenable number.

75328817 is a deficient number, since it is larger than the sum of its proper divisors (1).

75328817 is an equidigital number, since it uses as much as digits as its factorization.

75328817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 41.

The square root of 75328817 is about 8679.2175338564. The cubic root of 75328817 is about 422.3317341691.

The spelling of 75328817 in words is "seventy-five million, three hundred twenty-eight thousand, eight hundred seventeen".