42421675 has 12 divisors (see below), whose sum is σ = 53887176. Its totient is φ = 33108800.

The previous prime is 42421667. The next prime is 42421703. The reversal of 42421675 is 57612424.

It is not a de Polignac number, because 42421675 - 2³ = 42421667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19669 + ... + 21718.

It is an arithmetic number, because the mean of its divisors is an integer number (4490598).

Almost surely, 2^42421675 is an apocalyptic number.

42421675 is a deficient number, since it is larger than the sum of its proper divisors (11465501).

42421675 is a wasteful number, since it uses less digits than its factorization.

42421675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41438 (or 41433 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 42421675 is about 6513.1923816206. The cubic root of 42421675 is about 348.7620893965.

The spelling of 42421675 in words is "forty-two million, four hundred twenty-one thousand, six hundred seventy-five".