66704113 has 8 divisors (see below), whose sum is σ = 76466240. Its totient is φ = 57000240.

The previous prime is 66704101. The next prime is 66704149. The reversal of 66704113 is 31140766.

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

It is a cyclic number.

It is not a de Polignac number, because 66704113 - 2⁹ = 66703601 is a prime.

It is a super-2 number, since 2×66704113² = 8898877382233538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66704153) 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 7 ways as a sum of consecutive naturals, for example, 12078 + ... + 16711.

It is an arithmetic number, because the mean of its divisors is an integer number (9558280).

Almost surely, 2^66704113 is an apocalyptic number.

It is an amenable number.

66704113 is a deficient number, since it is larger than the sum of its proper divisors (9762127).

66704113 is a wasteful number, since it uses less digits than its factorization.

66704113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29127.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66704113 is about 8167.2585975956. The cubic root of 66704113 is about 405.5560375494.

Adding to 66704113 its reverse (31140766), we get a palindrome (97844879).

The spelling of 66704113 in words is "sixty-six million, seven hundred four thousand, one hundred thirteen".