65995230 has 32 divisors (see below), whose sum is σ = 181016064. Its totient is φ = 15084576.

The previous prime is 65995177. The next prime is 65995247. The reversal of 65995230 is 3259956.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156922 + ... + 157341.

It is an arithmetic number, because the mean of its divisors is an integer number (5656752).

Almost surely, 2^65995230 is an apocalyptic number.

65995230 is an abundant number, since it is smaller than the sum of its proper divisors (115020834).

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

65995230 is a wasteful number, since it uses less digits than its factorization.

65995230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314280.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 65995230 is about 8123.7448261254. The cubic root of 65995230 is about 404.1142661131.

The spelling of 65995230 in words is "sixty-five million, nine hundred ninety-five thousand, two hundred thirty".