42687546 has 16 divisors (see below), whose sum is σ = 93136608. Its totient is φ = 12935600.

The previous prime is 42687539. The next prime is 42687559. The reversal of 42687546 is 64578624.

42687546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42687546³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42687498 and 42687507.

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 7 ways as a sum of consecutive naturals, for example, 323325 + ... + 323456.

It is an arithmetic number, because the mean of its divisors is an integer number (5821038).

Almost surely, 2^42687546 is an apocalyptic number.

42687546 is an abundant number, since it is smaller than the sum of its proper divisors (50449062).

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

42687546 is a wasteful number, since it uses less digits than its factorization.

42687546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646797.

The product of its digits is 322560, while the sum is 42.

The square root of 42687546 is about 6533.5706929672. The cubic root of 42687546 is about 349.4891759047.

The spelling of 42687546 in words is "forty-two million, six hundred eighty-seven thousand, five hundred forty-six".