42873515 has 16 divisors (see below), whose sum is σ = 52520160. Its totient is φ = 33592320.

The previous prime is 42873503. The next prime is 42873529. The reversal of 42873515 is 51537824.

It is a happy number.

42873515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42873515 - 2¹⁰ = 42872491 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 52460 + ... + 53270.

It is an arithmetic number, because the mean of its divisors is an integer number (3282510).

Almost surely, 2^42873515 is an apocalyptic number.

42873515 is a deficient number, since it is larger than the sum of its proper divisors (9646645).

42873515 is a wasteful number, since it uses less digits than its factorization.

42873515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its digits is 33600, while the sum is 35.

The square root of 42873515 is about 6547.7870307456. The cubic root of 42873515 is about 349.9959591370.

The spelling of 42873515 in words is "forty-two million, eight hundred seventy-three thousand, five hundred fifteen".