66573336 has 32 divisors (see below), whose sum is σ = 166809600. Its totient is φ = 22140960.

The previous prime is 66573313. The next prime is 66573361. The reversal of 66573336 is 63337566.

It is a junction number, because it is equal to n+sod(n) for n = 66573294 and 66573303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8601 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (5212800).

Almost surely, 2^66573336 is an apocalyptic number.

It is an amenable number.

66573336 is an abundant number, since it is smaller than the sum of its proper divisors (100236264).

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

66573336 is a wasteful number, since it uses less digits than its factorization.

66573336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279 (or 6275 counting only the distinct ones).

The product of its digits is 204120, while the sum is 39.

The square root of 66573336 is about 8159.2484948064. The cubic root of 66573336 is about 405.2908260143.

The spelling of 66573336 in words is "sixty-six million, five hundred seventy-three thousand, three hundred thirty-six".