75799739 has 2 divisors, whose sum is σ = 75799740. Its totient is φ = 75799738.

The previous prime is 75799733. The next prime is 75799781. The reversal of 75799739 is 93799757.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75799739 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75799733) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37899869 + 37899870.

It is an arithmetic number, because the mean of its divisors is an integer number (37899870).

Almost surely, 2^75799739 is an apocalyptic number.

75799739 is a deficient number, since it is larger than the sum of its proper divisors (1).

75799739 is an equidigital number, since it uses as much as digits as its factorization.

75799739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750705, while the sum is 56.

The square root of 75799739 is about 8706.3045547465. The cubic root of 75799739 is about 423.2099827995.

The spelling of 75799739 in words is "seventy-five million, seven hundred ninety-nine thousand, seven hundred thirty-nine".