42306032 has 10 divisors (see below), whose sum is σ = 81967968. Its totient is φ = 21153008.

The previous prime is 42306029. The next prime is 42306049. The reversal of 42306032 is 23060324.

It is a junction number, because it is equal to n+sod(n) for n = 42305995 and 42306013.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1322048 + ... + 1322079.

Almost surely, 2^42306032 is an apocalyptic number.

It is an amenable number.

42306032 is a deficient number, since it is larger than the sum of its proper divisors (39661936).

42306032 is a wasteful number, since it uses less digits than its factorization.

42306032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644135 (or 2644129 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 42306032 is about 6504.3087257602. The cubic root of 42306032 is about 348.4448883537. Note that the first 3 decimals are identical.

Adding to 42306032 its reverse (23060324), we get a palindrome (65366356).

The spelling of 42306032 in words is "forty-two million, three hundred six thousand, thirty-two".