427165172 has 12 divisors (see below), whose sum is σ = 854330400. Its totient is φ = 183070776.

The previous prime is 427165169. The next prime is 427165231. The reversal of 427165172 is 271561724.

427165172 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627922 + ... + 7627977.

It is an arithmetic number, because the mean of its divisors is an integer number (71194200).

Almost surely, 2^427165172 is an apocalyptic number.

It is an amenable number.

427165172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427165172 is a wasteful number, since it uses less digits than its factorization.

427165172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15255910 (or 15255908 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 427165172 is about 20667.9745500134. The cubic root of 427165172 is about 753.1219036666.

The spelling of 427165172 in words is "four hundred twenty-seven million, one hundred sixty-five thousand, one hundred seventy-two".