42587716 has 12 divisors (see below), whose sum is σ = 76262032. Its totient is φ = 20798568.

The previous prime is 42587711. The next prime is 42587723. The reversal of 42587716 is 61778524.

It is not an unprimeable number, because it can be changed into a prime (42587711) 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, 123630 + ... + 123973.

Almost surely, 2^42587716 is an apocalyptic number.

It is an amenable number.

42587716 is a deficient number, since it is larger than the sum of its proper divisors (33674316).

42587716 is a wasteful number, since it uses less digits than its factorization.

42587716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247650 (or 247648 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 42587716 is about 6525.9264476394. The cubic root of 42587716 is about 349.2165223178.

The spelling of 42587716 in words is "forty-two million, five hundred eighty-seven thousand, seven hundred sixteen".