66750682 has 8 divisors (see below), whose sum is σ = 101012436. Its totient is φ = 33079872.

The previous prime is 66750661. The next prime is 66750683. The reversal of 66750682 is 28605766.

It can be written as a sum of positive squares in 2 ways, for example, as 65788321 + 962361 = 8111^2 + 981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66750683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147453 + ... + 147904.

Almost surely, 2^66750682 is an apocalyptic number.

66750682 is a deficient number, since it is larger than the sum of its proper divisors (34261754).

66750682 is a wasteful number, since it uses less digits than its factorization.

66750682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295472.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 66750682 is about 8170.1090567997. The cubic root of 66750682 is about 405.6503942782.

The spelling of 66750682 in words is "sixty-six million, seven hundred fifty thousand, six hundred eighty-two".