42343278 has 16 divisors (see below), whose sum is σ = 84752976. Its totient is φ = 14103360.

The previous prime is 42343199. The next prime is 42343291. The reversal of 42343278 is 87234324.

42343278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10188 + ... + 13728.

It is an arithmetic number, because the mean of its divisors is an integer number (5297061).

Almost surely, 2^42343278 is an apocalyptic number.

42343278 is an abundant number, since it is smaller than the sum of its proper divisors (42409698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42343278 is a wasteful number, since it uses less digits than its factorization.

42343278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its digits is 32256, while the sum is 33.

The square root of 42343278 is about 6507.1712748321. The cubic root of 42343278 is about 348.5471146866.

The spelling of 42343278 in words is "forty-two million, three hundred forty-three thousand, two hundred seventy-eight".