472347216 has 90 divisors (see below), whose sum is σ = 1453068890. Its totient is φ = 143130240.

The previous prime is 472347203. The next prime is 472347221. The reversal of 472347216 is 612743274.

It can be written as a sum of positive squares in only one way, i.e., 366339600 + 106007616 = 19140^2 + 10296^2 .

It is a super-2 number, since 2×472347216² = 446223784925901312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 3870 + ... + 30978.

Almost surely, 2^472347216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472347216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726534445).

472347216 is an abundant number, since it is smaller than the sum of its proper divisors (980721674).

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

472347216 is a wasteful number, since it uses less digits than its factorization.

472347216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145 (or 27125 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 472347216 is about 21733.5504692630. The cubic root of 472347216 is about 778.7901559610.

The spelling of 472347216 in words is "four hundred seventy-two million, three hundred forty-seven thousand, two hundred sixteen".