42082 has 8 divisors (see below), whose sum is σ = 64476. Its totient is φ = 20592.

The previous prime is 42073. The next prime is 42083. The reversal of 42082 is 28024.

It can be written as a sum of positive squares in 2 ways, for example, as 40401 + 1681 = 201^2 + 41^2 .

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

It is an Ulam number.

It is a plaindrome in base 7 and base 14.

It is not an unprimeable number, because it can be changed into a prime (42083) by changing a digit.

42082 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 304.

2⁴²⁰⁸² is an apocalyptic number.

42082 is a deficient number, since it is larger than the sum of its proper divisors (22394).

42082 is a wasteful number, since it uses less digits than its factorization.

42082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42082 is about 205.1389772813. The cubic root of 42082 is about 34.7828735034.

The spelling of 42082 in words is "forty-two thousand, eighty-two".