74842 has 8 divisors (see below), whose sum is σ = 117216. Its totient is φ = 35772.

The previous prime is 74831. The next prime is 74843. The reversal of 74842 is 24847.

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

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (74843) by changing a digit.

74842 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (14652).

2⁷⁴⁸⁴² is an apocalyptic number.

74842 is a deficient number, since it is larger than the sum of its proper divisors (42374).

74842 is a wasteful number, since it uses less digits than its factorization.

74842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its digits is 1792, while the sum is 25.

The square root of 74842 is about 273.5726594527. The cubic root of 74842 is about 42.1419985872.

The spelling of 74842 in words is "seventy-four thousand, eight hundred forty-two".