42394907 has 2 divisors, whose sum is σ = 42394908. Its totient is φ = 42394906.

The previous prime is 42394879. The next prime is 42394927. The reversal of 42394907 is 70949324.

42394907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42394907 - 2⁶ = 42394843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42394927) 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, 21197453 + 21197454.

It is an arithmetic number, because the mean of its divisors is an integer number (21197454).

Almost surely, 2^42394907 is an apocalyptic number.

42394907 is a deficient number, since it is larger than the sum of its proper divisors (1).

42394907 is an equidigital number, since it uses as much as digits as its factorization.

42394907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 42394907 is about 6511.1371510666. The cubic root of 42394907 is about 348.6887178799.

The spelling of 42394907 in words is "forty-two million, three hundred ninety-four thousand, nine hundred seven".