65330712 has 80 divisors (see below), whose sum is σ = 187525800. Its totient is φ = 21237120.

The previous prime is 65330701. The next prime is 65330719. The reversal of 65330712 is 21703356.

It is a happy number.

65330712 is a `hidden beast` number, since 653 + 3 + 0 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65330719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25339 + ... + 27797.

Almost surely, 2^65330712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65330712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93762900).

65330712 is an abundant number, since it is smaller than the sum of its proper divisors (122195088).

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

65330712 is a wasteful number, since it uses less digits than its factorization.

65330712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2505 counting only the distinct ones).

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

The square root of 65330712 is about 8082.7416140812. The cubic root of 65330712 is about 402.7533212381.

The spelling of 65330712 in words is "sixty-five million, three hundred thirty thousand, seven hundred twelve".