472706181 has 12 divisors (see below), whose sum is σ = 698677408. Its totient is φ = 307808424.

The previous prime is 472706161. The next prime is 472706203. The reversal of 472706181 is 181607274.

472706181 is a `hidden beast` number, since 472 + 7 + 0 + 6 + 181 = 666.

It is not a de Polignac number, because 472706181 - 2¹⁰ = 472705157 is a prime.

It is a super-2 number, since 2×472706181² = 446902267111209522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472706161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610345 + ... + 611118.

Almost surely, 2^472706181 is an apocalyptic number.

It is an amenable number.

472706181 is a deficient number, since it is larger than the sum of its proper divisors (225971227).

472706181 is a wasteful number, since it uses less digits than its factorization.

472706181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221512 (or 1221509 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 472706181 is about 21741.8072155927. The cubic root of 472706181 is about 778.9873891340.

The spelling of 472706181 in words is "four hundred seventy-two million, seven hundred six thousand, one hundred eighty-one".