677706 has 8 divisors (see below), whose sum is σ = 1355424. Its totient is φ = 225900.

The previous prime is 677687. The next prime is 677717. The reversal of 677706 is 607776.

It is a happy number.

677706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

677706 is an admirable number.

It is an unprimeable number.

677706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56470 + ... + 56481.

It is an arithmetic number, because the mean of its divisors is an integer number (169428).

2⁶⁷⁷⁷⁰⁶ is an apocalyptic number.

677706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

677706 is a wasteful number, since it uses less digits than its factorization.

677706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112956.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 677706 is about 823.2290082353. The cubic root of 677706 is about 87.8375964751.

It can be divided in two parts, 67770 and 6, that added together give a palindrome (67776).

The spelling of 677706 in words is "six hundred seventy-seven thousand, seven hundred six".