67042 has 4 divisors (see below), whose sum is σ = 100566. Its totient is φ = 33520.

The previous prime is 67033. The next prime is 67043. The reversal of 67042 is 24076.

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

It can be written as a sum of positive squares in only one way, i.e., 62001 + 5041 = 249^2 + 71^2 .

It is not an unprimeable number, because it can be changed into a prime (67043) by changing a digit.

67042 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 as a sum of consecutive naturals, namely, 16759 + ... + 16762.

2⁶⁷⁰⁴² is an apocalyptic number.

67042 is a deficient number, since it is larger than the sum of its proper divisors (33524).

67042 is a wasteful number, since it uses less digits than its factorization.

67042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33523.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 67042 is about 258.9246994784. The cubic root of 67042 is about 40.6239660486.

The spelling of 67042 in words is "sixty-seven thousand, forty-two".