42057873 has 40 divisors (see below), whose sum is σ = 73831296. Its totient is φ = 23522400.

The previous prime is 42057871. The next prime is 42057877. The reversal of 42057873 is 37875024.

It is not a de Polignac number, because 42057873 - 2¹ = 42057871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42057871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9768 + ... + 13398.

Almost surely, 2^42057873 is an apocalyptic number.

It is an amenable number.

42057873 is a deficient number, since it is larger than the sum of its proper divisors (31773423).

42057873 is a wasteful number, since it uses less digits than its factorization.

42057873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667 (or 3658 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 42057873 is about 6485.2041602404. The cubic root of 42057873 is about 347.7622484270.

The spelling of 42057873 in words is "forty-two million, fifty-seven thousand, eight hundred seventy-three".