42003433 has 12 divisors (see below), whose sum is σ = 44592240. Its totient is φ = 39558456.

The previous prime is 42003421. The next prime is 42003463. The reversal of 42003433 is 33430024.

42003433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42003433 - 2⁹ = 42002921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 42003433.

It is not an unprimeable number, because it can be changed into a prime (42003463) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 110638 + ... + 111016.

It is an arithmetic number, because the mean of its divisors is an integer number (3716020).

Almost surely, 2^42003433 is an apocalyptic number.

It is an amenable number.

42003433 is a deficient number, since it is larger than the sum of its proper divisors (2588807).

42003433 is a wasteful number, since it uses less digits than its factorization.

42003433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 42003433 is about 6481.0055546960. The cubic root of 42003433 is about 347.6121350238.

Adding to 42003433 its reverse (33430024), we get a palindrome (75433457).

It can be divided in two parts, 42003 and 433, that added together give a square (42436 = 206²).

The spelling of 42003433 in words is "forty-two million, three thousand, four hundred thirty-three".