42834064 has 120 divisors (see below), whose sum is σ = 107469312. Its totient is φ = 16174080.

The previous prime is 42834047. The next prime is 42834083. The reversal of 42834064 is 46043824.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 586732 + ... + 586804.

Almost surely, 2^42834064 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 42834064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53734656).

42834064 is an abundant number, since it is smaller than the sum of its proper divisors (64635248).

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

42834064 is a wasteful number, since it uses less digits than its factorization.

42834064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 42834064 is about 6544.7737928824. The cubic root of 42834064 is about 349.8885740540. Note that the first 3 decimals are identical.

Adding to 42834064 its reverse (46043824), we get a palindrome (88877888).

The spelling of 42834064 in words is "forty-two million, eight hundred thirty-four thousand, sixty-four".