42534342 has 32 divisors (see below), whose sum is σ = 96537600. Its totient is φ = 13875624.

The previous prime is 42534341. The next prime is 42534367. The reversal of 42534342 is 24343524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5842 + ... + 10917.

It is an arithmetic number, because the mean of its divisors is an integer number (3016800).

Almost surely, 2^42534342 is an apocalyptic number.

42534342 is an abundant number, since it is smaller than the sum of its proper divisors (54003258).

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

42534342 is a wasteful number, since it uses less digits than its factorization.

42534342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16817 (or 16811 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42534342 is about 6521.8357845012. The cubic root of 42534342 is about 349.0705735446.

Adding to 42534342 its reverse (24343524), we get a palindrome (66877866).

The spelling of 42534342 in words is "forty-two million, five hundred thirty-four thousand, three hundred forty-two".