42342104 has 64 divisors (see below), whose sum is σ = 97459200. Its totient is φ = 16833024.

The previous prime is 42342073. The next prime is 42342133. The reversal of 42342104 is 40124324.

It is a super-2 number, since 2×42342104² = 3585707542293632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74927 + ... + 75489.

It is an arithmetic number, because the mean of its divisors is an integer number (1522800).

Almost surely, 2^42342104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42342104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48729600).

42342104 is an abundant number, since it is smaller than the sum of its proper divisors (55117096).

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

42342104 is a wasteful number, since it uses less digits than its factorization.

42342104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42342104 is about 6507.0810660388. The cubic root of 42342104 is about 348.5438934111.

Adding to 42342104 its reverse (40124324), we get a palindrome (82466428).

The spelling of 42342104 in words is "forty-two million, three hundred forty-two thousand, one hundred four".