700666 has 8 divisors (see below), whose sum is σ = 1056384. Its totient is φ = 348540.

The previous prime is 700643. The next prime is 700673. The reversal of 700666 is 666007.

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

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 700666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (132048).

2⁷⁰⁰⁶⁶⁶ is an apocalyptic number.

700666 is a deficient number, since it is larger than the sum of its proper divisors (355718).

700666 is a wasteful number, since it uses less digits than its factorization.

700666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 700666 is about 837.0579430362. The cubic root of 700666 is about 88.8185504897.

The spelling of 700666 in words is "seven hundred thousand, six hundred sixty-six".