42356907 has 12 divisors (see below), whose sum is σ = 63292320. Its totient is φ = 27264048.

The previous prime is 42356891. The next prime is 42356921. The reversal of 42356907 is 70965324.

It is not a de Polignac number, because 42356907 - 2⁴ = 42356891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42356927) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 80883 + ... + 81404.

It is an arithmetic number, because the mean of its divisors is an integer number (5274360).

Almost surely, 2^42356907 is an apocalyptic number.

42356907 is a deficient number, since it is larger than the sum of its proper divisors (20935413).

42356907 is a wasteful number, since it uses less digits than its factorization.

42356907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162322 (or 162319 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 42356907 is about 6508.2184198135. The cubic root of 42356907 is about 348.5845062104.

The spelling of 42356907 in words is "forty-two million, three hundred fifty-six thousand, nine hundred seven".