42733306 has 32 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 16372800.

The previous prime is 42733289. The next prime is 42733309. The reversal of 42733306 is 60333724.

42733306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42733306² = 3652270883379272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42733309) 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 15 ways as a sum of consecutive naturals, for example, 7120 + ... + 11668.

It is an arithmetic number, because the mean of its divisors is an integer number (2538900).

Almost surely, 2^42733306 is an apocalyptic number.

42733306 is a deficient number, since it is larger than the sum of its proper divisors (38511494).

42733306 is a wasteful number, since it uses less digits than its factorization.

42733306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 42733306 is about 6537.0716685684. The cubic root of 42733306 is about 349.6140125766.

It can be divided in two parts, 427 and 33306, that added together give a palindrome (33733).

The spelling of 42733306 in words is "forty-two million, seven hundred thirty-three thousand, three hundred six".