700687 has 4 divisors (see below), whose sum is σ = 754600. Its totient is φ = 646776.

The previous prime is 700681. The next prime is 700703. The reversal of 700687 is 786007.

700687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786007 = 421 ⋅1867.

It is a de Polignac number, because none of the positive numbers 2^k-700687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26937 + ... + 26962.

It is an arithmetic number, because the mean of its divisors is an integer number (188650).

2⁷⁰⁰⁶⁸⁷ is an apocalyptic number.

700687 is a deficient number, since it is larger than the sum of its proper divisors (53913).

700687 is a wasteful number, since it uses less digits than its factorization.

700687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53912.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 700687 is about 837.0704868767. The cubic root of 700687 is about 88.8194378221.

The spelling of 700687 in words is "seven hundred thousand, six hundred eighty-seven".