75071 has 4 divisors (see below), whose sum is σ = 76944. Its totient is φ = 73200.

The previous prime is 75041. The next prime is 75079. The reversal of 75071 is 17057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17057 = 37 ⋅461.

It is a cyclic number.

It is not a de Polignac number, because 75071 - 2¹⁰ = 74047 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (19236).

2⁷⁵⁰⁷¹ is an apocalyptic number.

75071 is a deficient number, since it is larger than the sum of its proper divisors (1873).

75071 is a wasteful number, since it uses less digits than its factorization.

75071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 245, while the sum is 20.

The square root of 75071 is about 273.9908757605. The cubic root of 75071 is about 42.1849365612.

The spelling of 75071 in words is "seventy-five thousand, seventy-one".