74671 has 4 divisors (see below), whose sum is σ = 75600. Its totient is φ = 73744.

The previous prime is 74653. The next prime is 74687. The reversal of 74671 is 17647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17647 = 7 ⋅2521.

It is a cyclic number.

It is not a de Polignac number, because 74671 - 2⁹ = 74159 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74611) 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, 331 + ... + 508.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2⁷⁴⁶⁷¹ is an apocalyptic number.

74671 is a deficient number, since it is larger than the sum of its proper divisors (929).

74671 is an equidigital number, since it uses as much as digits as its factorization.

74671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 1176, while the sum is 25.

The square root of 74671 is about 273.2599494986. The cubic root of 74671 is about 42.1098785785.

The spelling of 74671 in words is "seventy-four thousand, six hundred seventy-one".