472445686 has 16 divisors (see below), whose sum is σ = 722339280. Its totient is φ = 231684480.

The previous prime is 472445681. The next prime is 472445689. The reversal of 472445686 is 686544274.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472445681) 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, 49546 + ... + 58306.

It is an arithmetic number, because the mean of its divisors is an integer number (45146205).

Almost surely, 2^472445686 is an apocalyptic number.

472445686 is a deficient number, since it is larger than the sum of its proper divisors (249893594).

472445686 is a wasteful number, since it uses less digits than its factorization.

472445686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279.

The product of its digits is 1290240, while the sum is 46.

The square root of 472445686 is about 21735.8157426861. The cubic root of 472445686 is about 778.8442702055.

The spelling of 472445686 in words is "four hundred seventy-two million, four hundred forty-five thousand, six hundred eighty-six".