75738329 has 2 divisors, whose sum is σ = 75738330. Its totient is φ = 75738328.

The previous prime is 75738319. The next prime is 75738331. The reversal of 75738329 is 92383757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57032704 + 18705625 = 7552^2 + 4325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75738329 is a prime.

Together with 75738331, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75738329.

It is not a weakly prime, because it can be changed into another prime (75738319) 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, 37869164 + 37869165.

It is an arithmetic number, because the mean of its divisors is an integer number (37869165).

Almost surely, 2^75738329 is an apocalyptic number.

It is an amenable number.

75738329 is a deficient number, since it is larger than the sum of its proper divisors (1).

75738329 is an equidigital number, since it uses as much as digits as its factorization.

75738329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 75738329 is about 8702.7770855055. Note that the first 3 decimals coincide. The cubic root of 75738329 is about 423.0956624995.

It can be divided in two parts, 75738 and 329, that added together give a palindrome (76067).

The spelling of 75738329 in words is "seventy-five million, seven hundred thirty-eight thousand, three hundred twenty-nine".