6601730 has 16 divisors (see below), whose sum is σ = 11915640. Its totient is φ = 2633472.

The previous prime is 6601717. The next prime is 6601739. The reversal of 6601730 is 371066.

It can be written as a sum of positive squares in 4 ways, for example, as 6568969 + 32761 = 2563^2 + 181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6601696 and 6601705.

It is not an unprimeable number, because it can be changed into a prime (6601739) 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, 4442 + ... + 5738.

Almost surely, 2^6601730 is an apocalyptic number.

6601730 is a deficient number, since it is larger than the sum of its proper divisors (5313910).

6601730 is a wasteful number, since it uses less digits than its factorization.

6601730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 6601730 is about 2569.3831944652. The cubic root of 6601730 is about 187.5941334736.

Adding to 6601730 its reverse (371066), we get a palindrome (6972796).

The spelling of 6601730 in words is "six million, six hundred one thousand, seven hundred thirty".