7066706404 has 36 divisors (see below), whose sum is σ = 13819679244. Its totient is φ = 3150471168.

The previous prime is 7066706393. The next prime is 7066706407. The reversal of 7066706404 is 4046076607.

It can be written as a sum of positive squares in 2 ways, for example, as 4316752804 + 2749953600 = 65702^2 + 52440^2 .

It is a super-2 number, since 2×7066706404² = 99876678800669222432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7066706407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119389 + ... + 168484.

It is an arithmetic number, because the mean of its divisors is an integer number (383879979).

Almost surely, 2^7066706404 is an apocalyptic number.

It is an amenable number.

7066706404 is a deficient number, since it is larger than the sum of its proper divisors (6752972840).

7066706404 is a wasteful number, since it uses less digits than its factorization.

7066706404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287932 (or 287911 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 7066706404 is about 84063.7044389551. The cubic root of 7066706404 is about 1918.9883997600.

The spelling of 7066706404 in words is "seven billion, sixty-six million, seven hundred six thousand, four hundred four".