700668 has 18 divisors (see below), whose sum is σ = 1771224. Its totient is φ = 233544.

The previous prime is 700643. The next prime is 700673. The reversal of 700668 is 866007.

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 9696 + ... + 9767.

2⁷⁰⁰⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

700668 is an abundant number, since it is smaller than the sum of its proper divisors (1070556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

700668 is a wasteful number, since it uses less digits than its factorization.

700668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473 (or 19468 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 700668 is about 837.0591376958. The cubic root of 700668 is about 88.8186349983.

The spelling of 700668 in words is "seven hundred thousand, six hundred sixty-eight".