65330730 has 24 divisors (see below), whose sum is σ = 169860132. Its totient is φ = 17421504.

The previous prime is 65330719. The next prime is 65330743. The reversal of 65330730 is 3703356.

65330730 is a `hidden beast` number, since 653 + 3 + 0 + 7 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62773929 + 2556801 = 7923^2 + 1599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65330694 and 65330703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362859 + ... + 363038.

Almost surely, 2^65330730 is an apocalyptic number.

65330730 is an abundant number, since it is smaller than the sum of its proper divisors (104529402).

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

65330730 is a wasteful number, since it uses less digits than its factorization.

65330730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725910 (or 725907 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 65330730 is about 8082.7427275647. The cubic root of 65330730 is about 402.7533582271.

The spelling of 65330730 in words is "sixty-five million, three hundred thirty thousand, seven hundred thirty".