42306747 has 12 divisors (see below), whose sum is σ = 65618856. Its totient is φ = 24175200.

The previous prime is 42306731. The next prime is 42306757. The reversal of 42306747 is 74760324.

42306747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42306747 - 2⁴ = 42306731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42306707) 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 11 ways as a sum of consecutive naturals, for example, 143754 + ... + 144047.

It is an arithmetic number, because the mean of its divisors is an integer number (5468238).

Almost surely, 2^42306747 is an apocalyptic number.

42306747 is a deficient number, since it is larger than the sum of its proper divisors (23312109).

42306747 is a wasteful number, since it uses less digits than its factorization.

42306747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287818 (or 287811 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 42306747 is about 6504.3636890937. The cubic root of 42306747 is about 348.4468513259.

The spelling of 42306747 in words is "forty-two million, three hundred six thousand, seven hundred forty-seven".