42873666 has 32 divisors (see below), whose sum is σ = 95724288. Its totient is φ = 12689040.

The previous prime is 42873653. The next prime is 42873673. The reversal of 42873666 is 66637824.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4716 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (2991384).

Almost surely, 2^42873666 is an apocalyptic number.

42873666 is an abundant number, since it is smaller than the sum of its proper divisors (52850622).

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

42873666 is a wasteful number, since it uses less digits than its factorization.

42873666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166.

The product of its digits is 290304, while the sum is 42.

The square root of 42873666 is about 6547.7985613487. The cubic root of 42873666 is about 349.9963700304.

The spelling of 42873666 in words is "forty-two million, eight hundred seventy-three thousand, six hundred sixty-six".