677318 has 4 divisors (see below), whose sum is σ = 1015980. Its totient is φ = 338658.

The previous prime is 677311. The next prime is 677321. The reversal of 677318 is 813776.

It is a happy number.

677318 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 is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169328 + ... + 169331.

It is an arithmetic number, because the mean of its divisors is an integer number (253995).

2⁶⁷⁷³¹⁸ is an apocalyptic number.

677318 is a deficient number, since it is larger than the sum of its proper divisors (338662).

677318 is a wasteful number, since it uses less digits than its factorization.

677318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338661.

The product of its digits is 7056, while the sum is 32.

The square root of 677318 is about 822.9933171053. The cubic root of 677318 is about 87.8208303584.

The spelling of 677318 in words is "six hundred seventy-seven thousand, three hundred eighteen".