75725759 has 2 divisors, whose sum is σ = 75725760. Its totient is φ = 75725758.

The previous prime is 75725743. The next prime is 75725761. The reversal of 75725759 is 95752757.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75725759 - 2⁴ = 75725743 is a prime.

It is a super-2 number, since 2×75725759² = 11468781152252162, which contains 22 as substring.

Together with 75725761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75725779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37862879 + 37862880.

It is an arithmetic number, because the mean of its divisors is an integer number (37862880).

Almost surely, 2^75725759 is an apocalyptic number.

75725759 is a deficient number, since it is larger than the sum of its proper divisors (1).

75725759 is an equidigital number, since it uses as much as digits as its factorization.

75725759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 771750, while the sum is 47.

The square root of 75725759 is about 8702.0548722701. The cubic root of 75725759 is about 423.0722546830.

It can be divided in two parts, 7572 and 5759, that added together give a palindrome (13331).

The spelling of 75725759 in words is "seventy-five million, seven hundred twenty-five thousand, seven hundred fifty-nine".