6746664530 has 16 divisors (see below), whose sum is σ = 12157859160. Its totient is φ = 2695585152.

The previous prime is 6746664517. The next prime is 6746664539. The reversal of 6746664530 is 354666476.

It can be written as a sum of positive squares in 4 ways, for example, as 5195958889 + 1550705641 = 72083^2 + 39379^2 .

It is not an unprimeable number, because it can be changed into a prime (6746664539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375875 + ... + 393414.

Almost surely, 2^6746664530 is an apocalyptic number.

6746664530 is a deficient number, since it is larger than the sum of its proper divisors (5411194630).

6746664530 is a wasteful number, since it uses less digits than its factorization.

6746664530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770173.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The square root of 6746664530 is about 82138.0820935089. The cubic root of 6746664530 is about 1889.5702325271.

The spelling of 6746664530 in words is "six billion, seven hundred forty-six million, six hundred sixty-four thousand, five hundred thirty".