42005074 has 16 divisors (see below), whose sum is σ = 65222136. Its totient is φ = 20275200.

The previous prime is 42005071. The next prime is 42005077. The reversal of 42005074 is 47050024.

It is an interprime number because it is at equal distance from previous prime (42005071) and next prime (42005077).

It can be written as a sum of positive squares in 4 ways, for example, as 15944049 + 26061025 = 3993^2 + 5105^2 .

It is not an unprimeable number, because it can be changed into a prime (42005071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5314 + ... + 10594.

Almost surely, 2^42005074 is an apocalyptic number.

42005074 is a deficient number, since it is larger than the sum of its proper divisors (23217062).

42005074 is a wasteful number, since it uses less digits than its factorization.

42005074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 42005074 is about 6481.1321541842. The cubic root of 42005074 is about 347.6166618291.

Adding to 42005074 its reverse (47050024), we get a palindrome (89055098).

The spelling of 42005074 in words is "forty-two million, five thousand, seventy-four".