42003342 has 24 divisors (see below), whose sum is σ = 91171080. Its totient is φ = 13975920.

The previous prime is 42003337. The next prime is 42003371. The reversal of 42003342 is 24330024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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, 10092 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (3798795).

Almost surely, 2^42003342 is an apocalyptic number.

42003342 is an abundant number, since it is smaller than the sum of its proper divisors (49167738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42003342 is a wasteful number, since it uses less digits than its factorization.

42003342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42003342 is about 6480.9985341767. The cubic root of 42003342 is about 347.6118839910.

Adding to 42003342 its reverse (24330024), we get a palindrome (66333366).

The spelling of 42003342 in words is "forty-two million, three thousand, three hundred forty-two".