42866534 has 8 divisors (see below), whose sum is σ = 65205648. Its totient is φ = 21131320.

The previous prime is 42866513. The next prime is 42866543. The reversal of 42866534 is 43566824.

42866534 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 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 3 ways as a sum of consecutive naturals, for example, 150797 + ... + 151080.

It is an arithmetic number, because the mean of its divisors is an integer number (8150706).

Almost surely, 2^42866534 is an apocalyptic number.

42866534 is a deficient number, since it is larger than the sum of its proper divisors (22339114).

42866534 is a wasteful number, since it uses less digits than its factorization.

42866534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301950.

The product of its digits is 138240, while the sum is 38.

The square root of 42866534 is about 6547.2539281748. The cubic root of 42866534 is about 349.9769617489.

The spelling of 42866534 in words is "forty-two million, eight hundred sixty-six thousand, five hundred thirty-four".