75727933 has 2 divisors, whose sum is σ = 75727934. Its totient is φ = 75727932.

The previous prime is 75727931. The next prime is 75727999. The reversal of 75727933 is 33972757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54952569 + 20775364 = 7413^2 + 4558^2 .

It is a cyclic number.

It is not a de Polignac number, because 75727933 - 2¹ = 75727931 is a prime.

Together with 75727931, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 75727933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75727931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37863966 + 37863967.

It is an arithmetic number, because the mean of its divisors is an integer number (37863967).

Almost surely, 2^75727933 is an apocalyptic number.

It is an amenable number.

75727933 is a deficient number, since it is larger than the sum of its proper divisors (1).

75727933 is an equidigital number, since it uses as much as digits as its factorization.

75727933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277830, while the sum is 43.

The square root of 75727933 is about 8702.1797843988. The cubic root of 75727933 is about 423.0763032845.

The spelling of 75727933 in words is "seventy-five million, seven hundred twenty-seven thousand, nine hundred thirty-three".