42068032 has 14 divisors (see below), whose sum is σ = 83478878. Its totient is φ = 21033984.

The previous prime is 42068029. The next prime is 42068041. The reversal of 42068032 is 23086024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36192256 + 5875776 = 6016^2 + 2424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42067988 and 42068006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328593 + ... + 328720.

It is an arithmetic number, because the mean of its divisors is an integer number (5962777).

Almost surely, 2^42068032 is an apocalyptic number.

It is an amenable number.

42068032 is a deficient number, since it is larger than the sum of its proper divisors (41410846).

42068032 is an equidigital number, since it uses as much as digits as its factorization.

42068032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657325 (or 657315 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42068032 is about 6485.9873573728. The cubic root of 42068032 is about 347.7902466114.

The spelling of 42068032 in words is "forty-two million, sixty-eight thousand, thirty-two".