472783647 has 8 divisors (see below), whose sum is σ = 720432256. Its totient is φ = 270162072.

The previous prime is 472783643. The next prime is 472783657. The reversal of 472783647 is 746387274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 472783647 - 2² = 472783643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 472783596 and 472783605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472783643) 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, 11256733 + ... + 11256774.

It is an arithmetic number, because the mean of its divisors is an integer number (90054032).

Almost surely, 2^472783647 is an apocalyptic number.

472783647 is a deficient number, since it is larger than the sum of its proper divisors (247648609).

472783647 is a wasteful number, since it uses less digits than its factorization.

472783647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22513517.

The product of its digits is 1580544, while the sum is 48.

The square root of 472783647 is about 21743.5886412524. The cubic root of 472783647 is about 779.0299396960.

The spelling of 472783647 in words is "four hundred seventy-two million, seven hundred eighty-three thousand, six hundred forty-seven".