42320132 has 12 divisors (see below), whose sum is σ = 74106060. Its totient is φ = 21146976.

The previous prime is 42320099. The next prime is 42320141. The reversal of 42320132 is 23102324.

It can be written as a sum of positive squares in 2 ways, for example, as 16777216 + 25542916 = 4096^2 + 5054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42320132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9818 + ... + 13454.

It is an arithmetic number, because the mean of its divisors is an integer number (6175505).

Almost surely, 2^42320132 is an apocalyptic number.

It is an amenable number.

42320132 is a deficient number, since it is larger than the sum of its proper divisors (31785928).

42320132 is a wasteful number, since it uses less digits than its factorization.

42320132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550 (or 6548 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42320132 is about 6505.3925323534. The cubic root of 42320132 is about 348.4835946325.

Adding to 42320132 its reverse (23102324), we get a palindrome (65422456).

The spelling of 42320132 in words is "forty-two million, three hundred twenty thousand, one hundred thirty-two".