42034530 has 16 divisors (see below), whose sum is σ = 100882944. Its totient is φ = 11209200.

The previous prime is 42034529. The next prime is 42034537. The reversal of 42034530 is 3543024.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42034497 and 42034506.

It is not an unprimeable number, because it can be changed into a prime (42034537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700546 + ... + 700605.

It is an arithmetic number, because the mean of its divisors is an integer number (6305184).

Almost surely, 2^42034530 is an apocalyptic number.

42034530 is an abundant number, since it is smaller than the sum of its proper divisors (58848414).

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

42034530 is a wasteful number, since it uses less digits than its factorization.

42034530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401161.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42034530 is about 6483.4041984131. The cubic root of 42034530 is about 347.6978980775.

Adding to 42034530 its reverse (3543024), we get a palindrome (45577554).

The spelling of 42034530 in words is "forty-two million, thirty-four thousand, five hundred thirty".