472662636 has 12 divisors (see below), whose sum is σ = 1102879512. Its totient is φ = 157554208.

The previous prime is 472662613. The next prime is 472662647. The reversal of 472662636 is 636266274.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 19694265 + ... + 19694288.

It is an arithmetic number, because the mean of its divisors is an integer number (91906626).

Almost surely, 2^472662636 is an apocalyptic number.

It is an amenable number.

472662636 is an abundant number, since it is smaller than the sum of its proper divisors (630216876).

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

472662636 is a wasteful number, since it uses less digits than its factorization.

472662636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39388560 (or 39388558 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The square root of 472662636 is about 21740.8057808353. The cubic root of 472662636 is about 778.9634686742.

The spelling of 472662636 in words is "four hundred seventy-two million, six hundred sixty-two thousand, six hundred thirty-six".