42032812 has 6 divisors (see below), whose sum is σ = 73557428. Its totient is φ = 21016404.

The previous prime is 42032779. The next prime is 42032849. The reversal of 42032812 is 21823024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254098 + ... + 5254105.

Almost surely, 2^42032812 is an apocalyptic number.

It is an amenable number.

42032812 is a deficient number, since it is larger than the sum of its proper divisors (31524616).

42032812 is a wasteful number, since it uses less digits than its factorization.

42032812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10508207 (or 10508205 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 42032812 is about 6483.2717049342. The cubic root of 42032812 is about 347.6931610741.

Adding to 42032812 its reverse (21823024), we get a palindrome (63855836).

The spelling of 42032812 in words is "forty-two million, thirty-two thousand, eight hundred twelve".