42420335 has 8 divisors (see below), whose sum is σ = 50948160. Its totient is φ = 33907104.

The previous prime is 42420311. The next prime is 42420377. The reversal of 42420335 is 53302424.

42420335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42420335 - 2⁶ = 42420271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42420335.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (6368520).

Almost surely, 2^42420335 is an apocalyptic number.

42420335 is a deficient number, since it is larger than the sum of its proper divisors (8527825).

42420335 is a wasteful number, since it uses less digits than its factorization.

42420335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42420335 is about 6513.0895126660. The cubic root of 42420335 is about 348.7584171690.

Adding to 42420335 its reverse (53302424), we get a palindrome (95722759).

The spelling of 42420335 in words is "forty-two million, four hundred twenty thousand, three hundred thirty-five".