75740045571 has 10 divisors (see below), whose sum is σ = 113142537332. Its totient is φ = 50493363660.

The previous prime is 75740045567. The next prime is 75740045609. The reversal of 75740045571 is 17554004757.

75740045571 is a `hidden beast` number, since 7 + 5 + 74 + 0 + 0 + 4 + 5 + 571 = 666.

It is not a de Polignac number, because 75740045571 - 2² = 75740045567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75740045471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 467531065 + ... + 467531226.

Almost surely, 2^75740045571 is an apocalyptic number.

75740045571 is a deficient number, since it is larger than the sum of its proper divisors (37402491761).

75740045571 is an equidigital number, since it uses as much as digits as its factorization.

75740045571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935062303 (or 935062294 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 45.

The spelling of 75740045571 in words is "seventy-five billion, seven hundred forty million, forty-five thousand, five hundred seventy-one".