677713 has 4 divisors (see below), whose sum is σ = 679780. Its totient is φ = 675648.

The previous prime is 677687. The next prime is 677717. The reversal of 677713 is 317776.

It is a happy number.

677713 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.

It can be written as a sum of positive squares in 2 ways, for example, as 439569 + 238144 = 663^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 677713 - 2⁵ = 677681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677717) 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, 420 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (169945).

2⁶⁷⁷⁷¹³ is an apocalyptic number.

It is an amenable number.

677713 is a deficient number, since it is larger than the sum of its proper divisors (2067).

677713 is a wasteful number, since it uses less digits than its factorization.

677713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its digits is 6174, while the sum is 31.

The square root of 677713 is about 823.2332597751. The cubic root of 677713 is about 87.8378988978.

The spelling of 677713 in words is "six hundred seventy-seven thousand, seven hundred thirteen".