32320042 has 16 divisors (see below), whose sum is σ = 50188032. Its totient is φ = 15593760.

The previous prime is 32320031. The next prime is 32320049. The reversal of 32320042 is 24002323.

It is a super-2 number, since 2×32320042² = 2089170229763528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32319998 and 32320025.

It is not an unprimeable number, because it can be changed into a prime (32320049) 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 7 ways as a sum of consecutive naturals, for example, 33438 + ... + 34390.

It is an arithmetic number, because the mean of its divisors is an integer number (3136752).

Almost surely, 2^32320042 is an apocalyptic number.

32320042 is a deficient number, since it is larger than the sum of its proper divisors (17867990).

32320042 is a wasteful number, since it uses less digits than its factorization.

32320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32320042 is about 5685.0718553067. The cubic root of 32320042 is about 318.5351076508.

Adding to 32320042 its reverse (24002323), we get a palindrome (56322365).

The spelling of 32320042 in words is "thirty-two million, three hundred twenty thousand, forty-two".