42876321 has 8 divisors (see below), whose sum is σ = 57222240. Its totient is φ = 28557312.

The previous prime is 42876319. The next prime is 42876359. The reversal of 42876321 is 12367824.

42876321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42876321 - 2¹ = 42876319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42876371) by changing a digit.

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, 2656 + ... + 9633.

It is an arithmetic number, because the mean of its divisors is an integer number (7152780).

Almost surely, 2^42876321 is an apocalyptic number.

It is an amenable number.

42876321 is a deficient number, since it is larger than the sum of its proper divisors (14345919).

42876321 is a wasteful number, since it uses less digits than its factorization.

42876321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455.

The product of its digits is 16128, while the sum is 33.

The square root of 42876321 is about 6548.0012981062. The cubic root of 42876321 is about 350.0035945209.

The spelling of 42876321 in words is "forty-two million, eight hundred seventy-six thousand, three hundred twenty-one".