66702058 has 8 divisors (see below), whose sum is σ = 100088352. Its totient is φ = 33339276.

The previous prime is 66702017. The next prime is 66702061. The reversal of 66702058 is 85020766.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6091 + ... + 13057.

It is an arithmetic number, because the mean of its divisors is an integer number (12511044).

Almost surely, 2^66702058 is an apocalyptic number.

66702058 is a deficient number, since it is larger than the sum of its proper divisors (33386294).

66702058 is a wasteful number, since it uses less digits than its factorization.

66702058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11756.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 66702058 is about 8167.1327894188. The cubic root of 66702058 is about 405.5518727576.

The spelling of 66702058 in words is "sixty-six million, seven hundred two thousand, fifty-eight".