42587694 has 24 divisors (see below), whose sum is σ = 95691960. Its totient is φ = 14195736.

The previous prime is 42587681. The next prime is 42587711. The reversal of 42587694 is 49678524.

It is a happy number.

42587694 is a `hidden beast` number, since 4 + 2 + 587 + 69 + 4 = 666.

42587694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 43329 + ... + 44300.

It is an arithmetic number, because the mean of its divisors is an integer number (3987165).

Almost surely, 2^42587694 is an apocalyptic number.

42587694 is an abundant number, since it is smaller than the sum of its proper divisors (53104266).

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

42587694 is an equidigital number, since it uses as much as digits as its factorization.

42587694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87646 (or 87634 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 42587694 is about 6525.9247620548. The cubic root of 42587694 is about 349.2164621849.

The spelling of 42587694 in words is "forty-two million, five hundred eighty-seven thousand, six hundred ninety-four".