42293566 has 12 divisors (see below), whose sum is σ = 73798128. Its totient is φ = 18125772.

The previous prime is 42293539. The next prime is 42293597. The reversal of 42293566 is 66539224.

42293566 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 5 ways as a sum of consecutive naturals, for example, 215686 + ... + 215881.

It is an arithmetic number, because the mean of its divisors is an integer number (6149844).

Almost surely, 2^42293566 is an apocalyptic number.

42293566 is a deficient number, since it is larger than the sum of its proper divisors (31504562).

42293566 is a wasteful number, since it uses less digits than its factorization.

42293566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431583 (or 431576 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 42293566 is about 6503.3503673107. The cubic root of 42293566 is about 348.4106604475.

The spelling of 42293566 in words is "forty-two million, two hundred ninety-three thousand, five hundred sixty-six".