65730330 has 48 divisors (see below), whose sum is σ = 180955944. Its totient is φ = 16496640.

The previous prime is 65730319. The next prime is 65730341. The reversal of 65730330 is 3303756.

65730330 is a `hidden beast` number, since 657 + 3 + 0 + 3 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (65730319) and next prime (65730341).

It can be written as a sum of positive squares in 4 ways, for example, as 48316401 + 17413929 = 6951^2 + 4173^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65730294 and 65730303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19951 + ... + 23010.

Almost surely, 2^65730330 is an apocalyptic number.

65730330 is an abundant number, since it is smaller than the sum of its proper divisors (115225614).

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

65730330 is a wasteful number, since it uses less digits than its factorization.

65730330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42991 (or 42988 counting only the distinct ones).

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

The square root of 65730330 is about 8107.4243752255. The cubic root of 65730330 is about 403.5728460769.

The spelling of 65730330 in words is "sixty-five million, seven hundred thirty thousand, three hundred thirty".