42070566 has 8 divisors (see below), whose sum is σ = 84141144. Its totient is φ = 14023520.

The previous prime is 42070559. The next prime is 42070571. The reversal of 42070566 is 66507024.

It is a sphenic number, since it is the product of 3 distinct primes.

42070566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3505875 + ... + 3505886.

It is an arithmetic number, because the mean of its divisors is an integer number (10517643).

Almost surely, 2^42070566 is an apocalyptic number.

42070566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42070566 is a wasteful number, since it uses less digits than its factorization.

42070566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011766.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 42070566 is about 6486.1826986294. The cubic root of 42070566 is about 347.7972296082.

The spelling of 42070566 in words is "forty-two million, seventy thousand, five hundred sixty-six".