75134047671 has 12 divisors (see below), whose sum is σ = 114910896672. Its totient is φ = 47142931776.

The previous prime is 75134047649. The next prime is 75134047717. The reversal of 75134047671 is 17674043157.

75134047671 is a `hidden beast` number, since 75 + 1 + 3 + 40 + 476 + 71 = 666.

It is not a de Polignac number, because 75134047671 - 2²¹ = 75131950519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75134047271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245535951 + ... + 245536256.

It is an arithmetic number, because the mean of its divisors is an integer number (9575908056).

Almost surely, 2^75134047671 is an apocalyptic number.

75134047671 is a deficient number, since it is larger than the sum of its proper divisors (39776849001).

75134047671 is a wasteful number, since it uses less digits than its factorization.

75134047671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491072230 (or 491072227 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 75134047671 in words is "seventy-five billion, one hundred thirty-four million, forty-seven thousand, six hundred seventy-one".