65485730 has 8 divisors (see below), whose sum is σ = 117874332. Its totient is φ = 26194288.

The previous prime is 65485729. The next prime is 65485753. The reversal of 65485730 is 3758456.

It can be written as a sum of positive squares in 2 ways, for example, as 58415449 + 7070281 = 7643^2 + 2659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274277 + ... + 3274296.

Almost surely, 2^65485730 is an apocalyptic number.

65485730 is a deficient number, since it is larger than the sum of its proper divisors (52388602).

65485730 is a wasteful number, since it uses less digits than its factorization.

65485730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548580.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 65485730 is about 8092.3253765528. The cubic root of 65485730 is about 403.0716232836.

The spelling of 65485730 in words is "sixty-five million, four hundred eighty-five thousand, seven hundred thirty".