75709441 has 2 divisors, whose sum is σ = 75709442. Its totient is φ = 75709440.

The previous prime is 75709393. The next prime is 75709451. The reversal of 75709441 is 14490757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75325041 + 384400 = 8679^2 + 620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75709441 is a prime.

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 75709441.

It is not a weakly prime, because it can be changed into another prime (75709451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37854720 + 37854721.

It is an arithmetic number, because the mean of its divisors is an integer number (37854721).

Almost surely, 2^75709441 is an apocalyptic number.

It is an amenable number.

75709441 is a deficient number, since it is larger than the sum of its proper divisors (1).

75709441 is an equidigital number, since it uses as much as digits as its factorization.

75709441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 75709441 is about 8701.1172271151. The cubic root of 75709441 is about 423.0418634876.

The spelling of 75709441 in words is "seventy-five million, seven hundred nine thousand, four hundred forty-one".