42868307 has 2 divisors, whose sum is σ = 42868308. Its totient is φ = 42868306.

The previous prime is 42868303. The next prime is 42868321. The reversal of 42868307 is 70386824.

42868307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42868307 - 2² = 42868303 is a prime.

It is not a weakly prime, because it can be changed into another prime (42868303) 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 as a sum of consecutive naturals, namely, 21434153 + 21434154.

It is an arithmetic number, because the mean of its divisors is an integer number (21434154).

Almost surely, 2^42868307 is an apocalyptic number.

42868307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42868307 is an equidigital number, since it uses as much as digits as its factorization.

42868307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42868307 is about 6547.3893270524. The cubic root of 42868307 is about 349.9817868073.

The spelling of 42868307 in words is "forty-two million, eight hundred sixty-eight thousand, three hundred seven".