677137 has 4 divisors (see below), whose sum is σ = 695476. Its totient is φ = 658800.

The previous prime is 677119. The next prime is 677147. The reversal of 677137 is 731776.

It is a happy number.

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 266256 + 410881 = 516^2 + 641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677137 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 677099 and 677108.

It is not an unprimeable number, because it can be changed into a prime (677107) 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, 9114 + ... + 9187.

It is an arithmetic number, because the mean of its divisors is an integer number (173869).

2⁶⁷⁷¹³⁷ is an apocalyptic number.

It is an amenable number.

677137 is a deficient number, since it is larger than the sum of its proper divisors (18339).

677137 is a wasteful number, since it uses less digits than its factorization.

677137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18338.

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

The square root of 677137 is about 822.8833453169. The cubic root of 677137 is about 87.8130068612.

The spelling of 677137 in words is "six hundred seventy-seven thousand, one hundred thirty-seven".