75671 has 4 divisors (see below), whose sum is σ = 78144. Its totient is φ = 73200.

The previous prime is 75659. The next prime is 75679. The reversal of 75671 is 17657.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75671 is a prime.

It is a super-2 number, since 2×75671² = 11452200482, which contains 22 as substring.

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 75671.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 75671.

It is not an unprimeable number, because it can be changed into a prime (75679) 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, 1190 + ... + 1251.

It is an arithmetic number, because the mean of its divisors is an integer number (19536).

2⁷⁵⁶⁷¹ is an apocalyptic number.

75671 is a deficient number, since it is larger than the sum of its proper divisors (2473).

75671 is a wasteful number, since it uses less digits than its factorization.

75671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its digits is 1470, while the sum is 26.

The square root of 75671 is about 275.0836236492. The cubic root of 75671 is about 42.2970252404.

The spelling of 75671 in words is "seventy-five thousand, six hundred seventy-one".