31674 has 8 divisors (see below), whose sum is σ = 63360. Its totient is φ = 10556.

The previous prime is 31667. The next prime is 31687. The reversal of 31674 is 47613.

It is a sphenic number, since it is the product of 3 distinct primes.

31674 is an admirable number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 31674.

It is an unprimeable number.

31674 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634 + ... + 2645.

It is an arithmetic number, because the mean of its divisors is an integer number (7920).

2³¹⁶⁷⁴ is an apocalyptic number.

31674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31680).

31674 is a wasteful number, since it uses less digits than its factorization.

31674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284.

The product of its digits is 504, while the sum is 21.

The square root of 31674 is about 177.9719078956. The cubic root of 31674 is about 31.6398418569.

The spelling of 31674 in words is "thirty-one thousand, six hundred seventy-four".