472545816 has 32 divisors (see below), whose sum is σ = 1181910960. Its totient is φ = 157442432.

The previous prime is 472545797. The next prime is 472545817. The reversal of 472545816 is 618545274.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472545817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82006 + ... + 87578.

Almost surely, 2^472545816 is an apocalyptic number.

It is an amenable number.

472545816 is an abundant number, since it is smaller than the sum of its proper divisors (709365144).

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

472545816 is a wasteful number, since it uses less digits than its factorization.

472545816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9111 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 472545816 is about 21738.1189618605. The cubic root of 472545816 is about 778.8992889942.

The spelling of 472545816 in words is "four hundred seventy-two million, five hundred forty-five thousand, eight hundred sixteen".