75828091 has 2 divisors, whose sum is σ = 75828092. Its totient is φ = 75828090.

The previous prime is 75828029. The next prime is 75828097. The reversal of 75828091 is 19082857.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75828091 - 2¹¹ = 75826043 is a prime.

It is not a weakly prime, because it can be changed into another prime (75828097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37914045 + 37914046.

It is an arithmetic number, because the mean of its divisors is an integer number (37914046).

Almost surely, 2^75828091 is an apocalyptic number.

75828091 is a deficient number, since it is larger than the sum of its proper divisors (1).

75828091 is an equidigital number, since it uses as much as digits as its factorization.

75828091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 75828091 is about 8707.9326478792. The cubic root of 75828091 is about 423.2627417927.

The spelling of 75828091 in words is "seventy-five million, eight hundred twenty-eight thousand, ninety-one".