42473907 has 12 divisors (see below), whose sum is σ = 70115760. Its totient is φ = 24270768.

The previous prime is 42473867. The next prime is 42473927. The reversal of 42473907 is 70937424.

It is not a de Polignac number, because 42473907 - 2⁶ = 42473843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42473927) 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, 337032 + ... + 337157.

It is an arithmetic number, because the mean of its divisors is an integer number (5842980).

Almost surely, 2^42473907 is an apocalyptic number.

42473907 is a deficient number, since it is larger than the sum of its proper divisors (27641853).

42473907 is a wasteful number, since it uses less digits than its factorization.

42473907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674202 (or 674199 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 42473907 is about 6517.2008561959. The cubic root of 42473907 is about 348.9051693208.

The spelling of 42473907 in words is "forty-two million, four hundred seventy-three thousand, nine hundred seven".