472506681 has 8 divisors (see below), whose sum is σ = 650331904. Its totient is φ = 304842960.

The previous prime is 472506679. The next prime is 472506701. The reversal of 472506681 is 186605274.

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

It is not a de Polignac number, because 472506681 - 2¹ = 472506679 is a prime.

It is a super-2 number, since 2×472506681² = 446525127179271522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472506481) 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, 2540266 + ... + 2540451.

It is an arithmetic number, because the mean of its divisors is an integer number (81291488).

Almost surely, 2^472506681 is an apocalyptic number.

It is an amenable number.

472506681 is a deficient number, since it is larger than the sum of its proper divisors (177825223).

472506681 is a wasteful number, since it uses less digits than its factorization.

472506681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080751.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 472506681 is about 21737.2187963410. The cubic root of 472506681 is about 778.8777862713.

The spelling of 472506681 in words is "four hundred seventy-two million, five hundred six thousand, six hundred eighty-one".