471821973 has 32 divisors (see below), whose sum is σ = 747586560. Its totient is φ = 259079040.

The previous prime is 471821969. The next prime is 471821989. The reversal of 471821973 is 379128174.

It is not a de Polignac number, because 471821973 - 2² = 471821969 is a prime.

It is a super-2 number, since 2×471821973² = 445231948411225458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471821923) 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 31 ways as a sum of consecutive naturals, for example, 53598 + ... + 61776.

It is an arithmetic number, because the mean of its divisors is an integer number (23362080).

Almost surely, 2^471821973 is an apocalyptic number.

It is an amenable number.

471821973 is a deficient number, since it is larger than the sum of its proper divisors (275764587).

471821973 is a wasteful number, since it uses less digits than its factorization.

471821973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297.

The product of its digits is 84672, while the sum is 42.

The square root of 471821973 is about 21721.4634175509. The cubic root of 471821973 is about 778.5013812501.

The spelling of 471821973 in words is "four hundred seventy-one million, eight hundred twenty-one thousand, nine hundred seventy-three".