474171217 has 4 divisors (see below), whose sum is σ = 510645940. Its totient is φ = 437696496.

The previous prime is 474171209. The next prime is 474171241. The reversal of 474171217 is 712171474.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105185536 + 368985681 = 10256^2 + 19209^2 .

It is a cyclic number.

It is not a de Polignac number, because 474171217 - 2³ = 474171209 is a prime.

It is a super-2 number, since 2×474171217² = 449676686062522178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474172217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18237342 + ... + 18237367.

It is an arithmetic number, because the mean of its divisors is an integer number (127661485).

Almost surely, 2^474171217 is an apocalyptic number.

It is an amenable number.

474171217 is a deficient number, since it is larger than the sum of its proper divisors (36474723).

474171217 is a wasteful number, since it uses less digits than its factorization.

474171217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36474722.

The product of its digits is 10976, while the sum is 34.

The square root of 474171217 is about 21775.4728306873. The cubic root of 474171217 is about 779.7913188183.

The spelling of 474171217 in words is "four hundred seventy-four million, one hundred seventy-one thousand, two hundred seventeen".