472711636 has 24 divisors (see below), whose sum is σ = 836839080. Its totient is φ = 233625600.

The previous prime is 472711627. The next prime is 472711637. The reversal of 472711636 is 636117274.

It can be written as a sum of positive squares in 4 ways, for example, as 47527236 + 425184400 = 6894^2 + 20620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 472711595 and 472711604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472711637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226116 + ... + 228196.

It is an arithmetic number, because the mean of its divisors is an integer number (34868295).

Almost surely, 2^472711636 is an apocalyptic number.

It is an amenable number.

472711636 is a deficient number, since it is larger than the sum of its proper divisors (364127444).

472711636 is a wasteful number, since it uses less digits than its factorization.

472711636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2713 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 472711636 is about 21741.9326647840. The cubic root of 472711636 is about 778.9903856112.

The spelling of 472711636 in words is "four hundred seventy-two million, seven hundred eleven thousand, six hundred thirty-six".