42074 has 8 divisors (see below), whose sum is σ = 64020. Its totient is φ = 20736.

The previous prime is 42073. The next prime is 42083. The reversal of 42074 is 47024.

It can be written as a sum of positive squares in 2 ways, for example, as 42025 + 49 = 205^2 + 7^2 .

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

42074 is a modest number, since divided by 74 gives 42 as remainder.

It is a plaindrome in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42074.

It is not an unprimeable number, because it can be changed into a prime (42071) by changing a digit.

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, 122 + ... + 314.

2⁴²⁰⁷⁴ is an apocalyptic number.

42074 is a deficient number, since it is larger than the sum of its proper divisors (21946).

42074 is a wasteful number, since it uses less digits than its factorization.

42074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 42074 is about 205.1194773784. The cubic root of 42074 is about 34.7806692306.

Adding to 42074 its reverse (47024), we get a palindrome (89098).

Subtracting 42074 from its reverse (47024), we obtain a triangular number (4950 = T₉₉).

It can be divided in two parts, 420 and 74, that added together give a palindrome (494).

The spelling of 42074 in words is "forty-two thousand, seventy-four", and thus it is an iban number.