42571266 has 16 divisors (see below), whose sum is σ = 85378944. Its totient is φ = 14151024.

The previous prime is 42571259. The next prime is 42571301. The reversal of 42571266 is 66217524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7465 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (5336184).

Almost surely, 2^42571266 is an apocalyptic number.

42571266 is an abundant number, since it is smaller than the sum of its proper divisors (42807678).

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

42571266 is a wasteful number, since it uses less digits than its factorization.

42571266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19705.

The product of its digits is 20160, while the sum is 33.

The square root of 42571266 is about 6524.6659684615. The cubic root of 42571266 is about 349.1715535480.

The spelling of 42571266 in words is "forty-two million, five hundred seventy-one thousand, two hundred sixty-six".