6650730 has 24 divisors (see below), whose sum is σ = 17292132. Its totient is φ = 1773504.

The previous prime is 6650729. The next prime is 6650731. The reversal of 6650730 is 370566.

6650730 is a `hidden beast` number, since 6 + 650 + 7 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6650729) and next prime (6650731).

It can be written as a sum of positive squares in 2 ways, for example, as 6640929 + 9801 = 2577^2 + 99^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6650694 and 6650703.

It is not an unprimeable number, because it can be changed into a prime (6650731) 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, 36859 + ... + 37038.

Almost surely, 2^6650730 is an apocalyptic number.

6650730 is an abundant number, since it is smaller than the sum of its proper divisors (10641402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6650730 is a wasteful number, since it uses less digits than its factorization.

6650730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73910 (or 73907 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 6650730 is about 2578.9009286904. The cubic root of 6650730 is about 188.0571163412.

The spelling of 6650730 in words is "six million, six hundred fifty thousand, seven hundred thirty".