66703058 has 8 divisors (see below), whose sum is σ = 102183552. Its totient is φ = 32641876.

The previous prime is 66703057. The next prime is 66703061. The reversal of 66703058 is 85030766.

It is a happy number.

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

It is a super-3 number, since 3×66703058³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66703057) by changing a digit.

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, 354710 + ... + 354897.

It is an arithmetic number, because the mean of its divisors is an integer number (12772944).

Almost surely, 2^66703058 is an apocalyptic number.

66703058 is a deficient number, since it is larger than the sum of its proper divisors (35480494).

66703058 is a wasteful number, since it uses less digits than its factorization.

66703058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709656.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 66703058 is about 8167.1940101849. The cubic root of 66703058 is about 405.5538994310.

The spelling of 66703058 in words is "sixty-six million, seven hundred three thousand, fifty-eight".