66325230 has 40 divisors (see below), whose sum is σ = 178343352. Its totient is φ = 17686512.

The previous prime is 66325223. The next prime is 66325241. The reversal of 66325230 is 3252366.

66325230 is a `hidden beast` number, since 6 + 632 + 5 + 23 + 0 = 666.

It is a super-2 number, since 2×66325230² = 8798072269105800, which contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66325194 and 66325203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40132 + ... + 41751.

Almost surely, 2^66325230 is an apocalyptic number.

66325230 is an abundant number, since it is smaller than the sum of its proper divisors (112018122).

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

66325230 is a wasteful number, since it uses less digits than its factorization.

66325230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81902 (or 81893 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 66325230 is about 8144.0303290201. The cubic root of 66325230 is about 404.7867189774.

Adding to 66325230 its reverse (3252366), we get a palindrome (69577596).

It can be divided in two parts, 6 and 6325230, that added together give a palindrome (6325236).

The spelling of 66325230 in words is "sixty-six million, three hundred twenty-five thousand, two hundred thirty".