677240 has 16 divisors (see below), whose sum is σ = 1523880. Its totient is φ = 270880.

The previous prime is 677239. The next prime is 677309. The reversal of 677240 is 42776.

677240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426 + ... + 8505.

2⁶⁷⁷²⁴⁰ is an apocalyptic number.

It is an amenable number.

677240 is an abundant number, since it is smaller than the sum of its proper divisors (846640).

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

677240 is a wasteful number, since it uses less digits than its factorization.

677240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16942 (or 16938 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 677240 is about 822.9459277498. The cubic root of 677240 is about 87.8174590775.

The spelling of 677240 in words is "six hundred seventy-seven thousand, two hundred forty".