6730306064 has 20 divisors (see below), whose sum is σ = 13072826604. Its totient is φ = 3356673408.

The previous prime is 6730306061. The next prime is 6730306091. The reversal of 6730306064 is 4606030376.

It can be written as a sum of positive squares in 2 ways, for example, as 4084232464 + 2646073600 = 63908^2 + 51440^2 .

It is not an unprimeable number, because it can be changed into a prime (6730306061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523427 + ... + 536130.

Almost surely, 2^6730306064 is an apocalyptic number.

It is an amenable number.

6730306064 is a deficient number, since it is larger than the sum of its proper divisors (6342520540).

6730306064 is a wasteful number, since it uses less digits than its factorization.

6730306064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059962 (or 1059956 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 6730306064 is about 82038.4425985769. The cubic root of 6730306064 is about 1888.0417989046.

The spelling of 6730306064 in words is "six billion, seven hundred thirty million, three hundred six thousand, sixty-four".