42074254 has 16 divisors (see below), whose sum is σ = 66911616. Its totient is φ = 19807200.

The previous prime is 42074251. The next prime is 42074261. The reversal of 42074254 is 45247024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42074251) 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 7 ways as a sum of consecutive naturals, for example, 6877 + ... + 11464.

It is an arithmetic number, because the mean of its divisors is an integer number (4181976).

Almost surely, 2^42074254 is an apocalyptic number.

42074254 is a deficient number, since it is larger than the sum of its proper divisors (24837362).

42074254 is a wasteful number, since it uses less digits than its factorization.

42074254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18411.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 42074254 is about 6486.4669890473. The cubic root of 42074254 is about 347.8073922058.

The spelling of 42074254 in words is "forty-two million, seventy-four thousand, two hundred fifty-four".