42032330 has 16 divisors (see below), whose sum is σ = 80109000. Its totient is φ = 15823872.

The previous prime is 42032327. The next prime is 42032357. The reversal of 42032330 is 3323024.

It can be written as a sum of positive squares in 4 ways, for example, as 25230529 + 16801801 = 5023^2 + 4099^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 42032299 and 42032308.

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 7 ways as a sum of consecutive naturals, for example, 123455 + ... + 123794.

Almost surely, 2^42032330 is an apocalyptic number.

42032330 is a deficient number, since it is larger than the sum of its proper divisors (38076670).

42032330 is a wasteful number, since it uses less digits than its factorization.

42032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247273.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 42032330 is about 6483.2345322377. The cubic root of 42032330 is about 347.6918320430.

Adding to 42032330 its reverse (3323024), we get a palindrome (45355354).

The spelling of 42032330 in words is "forty-two million, thirty-two thousand, three hundred thirty".