7066419844 has 27 divisors (see below), whose sum is σ = 13596196453. Its totient is φ = 3211168400.

The previous prime is 7066419781. The next prime is 7066419901. The reversal of 7066419844 is 4489146607.

The square root of 7066419844 is 84062.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6346034244 + 720385600 = 79662^2 + 26840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1847454 + ... + 1851274.

Almost surely, 2^7066419844 is an apocalyptic number.

7066419844 is the 84062-nd square number.

It is an amenable number.

7066419844 is a deficient number, since it is larger than the sum of its proper divisors (6529776609).

7066419844 is an equidigital number, since it uses as much as digits as its factorization.

7066419844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The cubic root of 7066419844 is about 1918.9624606252.

Multiplying 7066419844 by its sum of digits (49), we get a square (346254572356 = 588434²).

The spelling of 7066419844 in words is "seven billion, sixty-six million, four hundred nineteen thousand, eight hundred forty-four".