417202066 has 16 divisors (see below), whose sum is σ = 666844056. Its totient is φ = 195077376.

The previous prime is 417202043. The next prime is 417202067. The reversal of 417202066 is 660202714.

It can be written as a sum of positive squares in 4 ways, for example, as 243516025 + 173686041 = 15605^2 + 13179^2 .

It is not an unprimeable number, because it can be changed into a prime (417202067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33741 + ... + 44416.

Almost surely, 2^417202066 is an apocalyptic number.

417202066 is a deficient number, since it is larger than the sum of its proper divisors (249641990).

417202066 is a wasteful number, since it uses less digits than its factorization.

417202066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78333.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 417202066 is about 20425.5248647373. The cubic root of 417202066 is about 747.2205663145.

The spelling of 417202066 in words is "four hundred seventeen million, two hundred two thousand, sixty-six".