42066587 has 8 divisors (see below), whose sum is σ = 42958080. Its totient is φ = 41181160.

The previous prime is 42066581. The next prime is 42066593. The reversal of 42066587 is 78566024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42066581) and next prime (42066593).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42066587 - 2⁶ = 42066523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42066587.

It is not an unprimeable number, because it can be changed into a prime (42066581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14162 + ... + 16872.

It is an arithmetic number, because the mean of its divisors is an integer number (5369760).

Almost surely, 2^42066587 is an apocalyptic number.

42066587 is a deficient number, since it is larger than the sum of its proper divisors (891493).

42066587 is a wasteful number, since it uses less digits than its factorization.

42066587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 42066587 is about 6485.8759624279. The cubic root of 42066587 is about 347.7862644692.

The spelling of 42066587 in words is "forty-two million, sixty-six thousand, five hundred eighty-seven".