66682294 has 8 divisors (see below), whose sum is σ = 114312528. Its totient is φ = 28578120.

The previous prime is 66682289. The next prime is 66682307. The reversal of 66682294 is 49228666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66682294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381497 + ... + 2381524.

It is an arithmetic number, because the mean of its divisors is an integer number (14289066).

Almost surely, 2^66682294 is an apocalyptic number.

66682294 is a deficient number, since it is larger than the sum of its proper divisors (47630234).

66682294 is a wasteful number, since it uses less digits than its factorization.

66682294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763030.

The product of its digits is 248832, while the sum is 43.

The square root of 66682294 is about 8165.9227280204. The cubic root of 66682294 is about 405.5118134290.

The spelling of 66682294 in words is "sixty-six million, six hundred eighty-two thousand, two hundred ninety-four".