66307241 has 24 divisors (see below), whose sum is σ = 90627264. Its totient is φ = 47688480.

The previous prime is 66307231. The next prime is 66307243. The reversal of 66307241 is 14270366.

It is not a de Polignac number, because 66307241 - 2²² = 62112937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66307243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2276 + ... + 11738.

It is an arithmetic number, because the mean of its divisors is an integer number (3776136).

Almost surely, 2^66307241 is an apocalyptic number.

It is an amenable number.

66307241 is a deficient number, since it is larger than the sum of its proper divisors (24320023).

66307241 is a wasteful number, since it uses less digits than its factorization.

66307241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9501 (or 9494 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 66307241 is about 8142.9258255249. The cubic root of 66307241 is about 404.7501196988.

The spelling of 66307241 in words is "sixty-six million, three hundred seven thousand, two hundred forty-one".