472747631 has 8 divisors (see below), whose sum is σ = 486052224. Its totient is φ = 459470880.

The previous prime is 472747603. The next prime is 472747643. The reversal of 472747631 is 136747274.

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

It is a cyclic number.

It is not a de Polignac number, because 472747631 - 2¹⁰ = 472746607 is a prime.

It is a super-2 number, since 2×472747631² = 446980645232224322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472747601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30221 + ... + 43113.

It is an arithmetic number, because the mean of its divisors is an integer number (60756528).

Almost surely, 2^472747631 is an apocalyptic number.

472747631 is a deficient number, since it is larger than the sum of its proper divisors (13304593).

472747631 is a wasteful number, since it uses less digits than its factorization.

472747631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13921.

The product of its digits is 197568, while the sum is 41.

The square root of 472747631 is about 21742.7604273238. The cubic root of 472747631 is about 779.0101573882.

The spelling of 472747631 in words is "four hundred seventy-two million, seven hundred forty-seven thousand, six hundred thirty-one".