677149 has 4 divisors (see below), whose sum is σ = 738720. Its totient is φ = 615580.

The previous prime is 677147. The next prime is 677167. The reversal of 677149 is 941776.

677149 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677149 - 2¹ = 677147 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677147) 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, 30769 + ... + 30790.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

2⁶⁷⁷¹⁴⁹ is an apocalyptic number.

It is an amenable number.

677149 is a deficient number, since it is larger than the sum of its proper divisors (61571).

677149 is a wasteful number, since it uses less digits than its factorization.

677149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61570.

The product of its digits is 10584, while the sum is 34.

The square root of 677149 is about 822.8906367191. The cubic root of 677149 is about 87.8135255893.

The spelling of 677149 in words is "six hundred seventy-seven thousand, one hundred forty-nine".