42074090 has 16 divisors (see below), whose sum is σ = 75825288. Its totient is φ = 16809216.

The previous prime is 42074089. The next prime is 42074093. The reversal of 42074090 is 9047024.

It can be written as a sum of positive squares in 4 ways, for example, as 35988001 + 6086089 = 5999^2 + 2467^2 .

It is not an unprimeable number, because it can be changed into a prime (42074093) 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, 8294 + ... + 12366.

Almost surely, 2^42074090 is an apocalyptic number.

42074090 is a deficient number, since it is larger than the sum of its proper divisors (33751198).

42074090 is a wasteful number, since it uses less digits than its factorization.

42074090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 42074090 is about 6486.4543473303. The cubic root of 42074090 is about 347.8069403025.

The spelling of 42074090 in words is "forty-two million, seventy-four thousand, ninety".