75134871 has 24 divisors (see below), whose sum is σ = 128628864. Its totient is φ = 42933240.

The previous prime is 75134863. The next prime is 75134881. The reversal of 75134871 is 17843157.

It is not a de Polignac number, because 75134871 - 2³ = 75134863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75134821) 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 in 23 ways as a sum of consecutive naturals, for example, 20385 + ... + 23786.

It is an arithmetic number, because the mean of its divisors is an integer number (5359536).

Almost surely, 2^75134871 is an apocalyptic number.

75134871 is a deficient number, since it is larger than the sum of its proper divisors (53493993).

75134871 is an equidigital number, since it uses as much as digits as its factorization.

75134871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44193 (or 44181 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 75134871 is about 8668.0373211010. The cubic root of 75134871 is about 421.9689692898.

The spelling of 75134871 in words is "seventy-five million, one hundred thirty-four thousand, eight hundred seventy-one".