75040855727 has 2 divisors, whose sum is σ = 75040855728. Its totient is φ = 75040855726.

The previous prime is 75040855667. The next prime is 75040855789. The reversal of 75040855727 is 72755804057.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75040855727 - 2¹⁰ = 75040854703 is a prime.

It is a super-2 number, since 2×75040855727² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75040855027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37520427863 + 37520427864.

It is an arithmetic number, because the mean of its divisors is an integer number (37520427864).

Almost surely, 2^75040855727 is an apocalyptic number.

75040855727 is a deficient number, since it is larger than the sum of its proper divisors (1).

75040855727 is an equidigital number, since it uses as much as digits as its factorization.

75040855727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744000, while the sum is 50.

The spelling of 75040855727 in words is "seventy-five billion, forty million, eight hundred fifty-five thousand, seven hundred twenty-seven".