4542330 has 64 divisors (see below), whose sum is σ = 12378240. Its totient is φ = 1057536.

The previous prime is 4542323. The next prime is 4542331. The reversal of 4542330 is 332454.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4542297 and 4542306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7104 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (193410).

Almost surely, 2^4542330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6189120).

4542330 is an abundant number, since it is smaller than the sum of its proper divisors (7835910).

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

4542330 is a wasteful number, since it uses less digits than its factorization.

4542330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

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

The square root of 4542330 is about 2131.2742667240. The cubic root of 4542330 is about 165.6124165116.

Adding to 4542330 its reverse (332454), we get a palindrome (4874784).

The spelling of 4542330 in words is "four million, five hundred forty-two thousand, three hundred thirty".