75140171 has 4 divisors (see below), whose sum is σ = 75196272. Its totient is φ = 75084072.

The previous prime is 75140089. The next prime is 75140173. The reversal of 75140171 is 17104157.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75140171 - 2¹⁰ = 75139147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75140171.

It is not an unprimeable number, because it can be changed into a prime (75140173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25991 + ... + 28736.

It is an arithmetic number, because the mean of its divisors is an integer number (18799068).

Almost surely, 2^75140171 is an apocalyptic number.

75140171 is a deficient number, since it is larger than the sum of its proper divisors (56101).

75140171 is a wasteful number, since it uses less digits than its factorization.

75140171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56100.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 75140171 is about 8668.3430365901. The cubic root of 75140171 is about 421.9788909277.

The spelling of 75140171 in words is "seventy-five million, one hundred forty thousand, one hundred seventy-one".