42473163 has 4 divisors (see below), whose sum is σ = 56630888. Its totient is φ = 28315440.

The previous prime is 42473159. The next prime is 42473173. The reversal of 42473163 is 36137424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42473163 - 2² = 42473159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42473163.

It is not an unprimeable number, because it can be changed into a prime (42473173) 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 3 ways as a sum of consecutive naturals, for example, 7078858 + ... + 7078863.

It is an arithmetic number, because the mean of its divisors is an integer number (14157722).

Almost surely, 2^42473163 is an apocalyptic number.

42473163 is a deficient number, since it is larger than the sum of its proper divisors (14157725).

42473163 is a wasteful number, since it uses less digits than its factorization.

42473163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157724.

The product of its digits is 12096, while the sum is 30.

The square root of 42473163 is about 6517.1437762259. The cubic root of 42473163 is about 348.9031320939.

The spelling of 42473163 in words is "forty-two million, four hundred seventy-three thousand, one hundred sixty-three".