4471730642 has 16 divisors (see below), whose sum is σ = 6764650200. Its totient is φ = 2216917632.

The previous prime is 4471730623. The next prime is 4471730647. The reversal of 4471730642 is 2460371744.

It is a Cunningham number, because it is equal to 66871²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 4067760841 + 403969801 = 63779^2 + 20099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4471730596 and 4471730605.

It is not an unprimeable number, because it can be changed into a prime (4471730647) 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 7 ways as a sum of consecutive naturals, for example, 111734 + ... + 146382.

Almost surely, 2^4471730642 is an apocalyptic number.

4471730642 is a deficient number, since it is larger than the sum of its proper divisors (2292919558).

4471730642 is a wasteful number, since it uses less digits than its factorization.

4471730642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35197.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 4471730642 is about 66871.0000074771. Note that the first 5 decimals coincide. The cubic root of 4471730642 is about 1647.4991980764.

The spelling of 4471730642 in words is "four billion, four hundred seventy-one million, seven hundred thirty thousand, six hundred forty-two".