42906875 has 30 divisors (see below), whose sum is σ = 59240412. Its totient is φ = 30810000.

The previous prime is 42906847. The next prime is 42906881. The reversal of 42906875 is 57860924.

It is not a de Polignac number, because 42906875 - 2¹⁶ = 42841339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 543086 + ... + 543164.

Almost surely, 2^42906875 is an apocalyptic number.

42906875 is a deficient number, since it is larger than the sum of its proper divisors (16333537).

42906875 is an frugal number, since it uses more digits than its factorization.

42906875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 42906875 is about 6550.3339609519. Note that the first 3 decimals coincide. The cubic root of 42906875 is about 350.0867132087.

The spelling of 42906875 in words is "forty-two million, nine hundred six thousand, eight hundred seventy-five".