65830212 has 96 divisors (see below), whose sum is σ = 205363200. Its totient is φ = 17814816.

The previous prime is 65830211. The next prime is 65830213. The reversal of 65830212 is 21203856.

65830212 is a `hidden beast` number, since 658 + 3 + 0 + 2 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (65830211) and next prime (65830213).

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

It is not an unprimeable number, because it can be changed into a prime (65830211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12073 + ... + 16655.

It is an arithmetic number, because the mean of its divisors is an integer number (2139200).

Almost surely, 2^65830212 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 65830212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102681600).

65830212 is an abundant number, since it is smaller than the sum of its proper divisors (139532988).

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

65830212 is a wasteful number, since it uses less digits than its factorization.

65830212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 65830212 is about 8113.5819463416. The cubic root of 65830212 is about 403.7771620165. Note that the first 3 decimals are identical.

The spelling of 65830212 in words is "sixty-five million, eight hundred thirty thousand, two hundred twelve".