42404075 has 12 divisors (see below), whose sum is σ = 60092880. Its totient is φ = 29076960.

The previous prime is 42404039. The next prime is 42404083. The reversal of 42404075 is 57040424.

It is not a de Polignac number, because 42404075 - 2¹² = 42399979 is a prime.

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, 120980 + ... + 121329.

It is an arithmetic number, because the mean of its divisors is an integer number (5007740).

Almost surely, 2^42404075 is an apocalyptic number.

42404075 is a deficient number, since it is larger than the sum of its proper divisors (17688805).

42404075 is a wasteful number, since it uses less digits than its factorization.

42404075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242326 (or 242321 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 42404075 is about 6511.8411374971. The cubic root of 42404075 is about 348.7138509913.

Adding to 42404075 its reverse (57040424), we get a palindrome (99444499).

The spelling of 42404075 in words is "forty-two million, four hundred four thousand, seventy-five".