427105173 has 16 divisors (see below), whose sum is σ = 622126656. Its totient is φ = 258483840.

The previous prime is 427105163. The next prime is 427105177. The reversal of 427105173 is 371501724.

It is not a de Polignac number, because 427105173 - 2⁵ = 427105141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 427105173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427105177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15361 + ... + 33017.

It is an arithmetic number, because the mean of its divisors is an integer number (38882916).

Almost surely, 2^427105173 is an apocalyptic number.

It is an amenable number.

427105173 is a deficient number, since it is larger than the sum of its proper divisors (195021483).

427105173 is a wasteful number, since it uses less digits than its factorization.

427105173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18404.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 427105173 is about 20666.5230021888. The cubic root of 427105173 is about 753.0866412125.

Adding to 427105173 its reverse (371501724), we get a palindrome (798606897).

The spelling of 427105173 in words is "four hundred twenty-seven million, one hundred five thousand, one hundred seventy-three".