471768081 has 16 divisors (see below), whose sum is σ = 662749440. Its totient is φ = 297680400.

The previous prime is 471768067. The next prime is 471768097. The reversal of 471768081 is 180867174.

It is a happy number.

It is not a de Polignac number, because 471768081 - 2¹⁷ = 471637009 is a prime.

It is a super-2 number, since 2×471768081² = 445130244500845122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (471768041) 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 15 ways as a sum of consecutive naturals, for example, 69906 + ... + 76356.

It is an arithmetic number, because the mean of its divisors is an integer number (41421840).

Almost surely, 2^471768081 is an apocalyptic number.

It is an amenable number.

471768081 is a deficient number, since it is larger than the sum of its proper divisors (190981359).

471768081 is a wasteful number, since it uses less digits than its factorization.

471768081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 471768081 is about 21720.2228579727. Note that the first 3 decimals coincide. The cubic root of 471768081 is about 778.4717397070.

The spelling of 471768081 in words is "four hundred seventy-one million, seven hundred sixty-eight thousand, eighty-one".