42975873 has 16 divisors (see below), whose sum is σ = 63829440. Its totient is φ = 28577952.

The previous prime is 42975871. The next prime is 42975893. The reversal of 42975873 is 37857924.

It is not a de Polignac number, because 42975873 - 2¹ = 42975871 is a prime.

It is a super-2 number, since 2×42975873² = 3693851320224258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42975871) by changing a digit.

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, 10165 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (3989340).

Almost surely, 2^42975873 is an apocalyptic number.

It is an amenable number.

42975873 is a deficient number, since it is larger than the sum of its proper divisors (20853567).

42975873 is a wasteful number, since it uses less digits than its factorization.

42975873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4039 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 42975873 is about 6555.5985996704. The cubic root of 42975873 is about 350.2742693728.

The spelling of 42975873 in words is "forty-two million, nine hundred seventy-five thousand, eight hundred seventy-three".