42571216 has 20 divisors (see below), whose sum is σ = 82708992. Its totient is φ = 21226976.

The previous prime is 42571211. The next prime is 42571241. The reversal of 42571216 is 61217524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42571211) by changing a digit.

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, 2655 + ... + 9601.

Almost surely, 2^42571216 is an apocalyptic number.

It is an amenable number.

42571216 is a deficient number, since it is larger than the sum of its proper divisors (40137776).

42571216 is a wasteful number, since it uses less digits than its factorization.

42571216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7338 (or 7332 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 42571216 is about 6524.6621368466. The cubic root of 42571216 is about 349.1714168471.

The spelling of 42571216 in words is "forty-two million, five hundred seventy-one thousand, two hundred sixteen".