677457 has 16 divisors (see below), whose sum is σ = 1095360. Its totient is φ = 410400.

The previous prime is 677447. The next prime is 677459. The reversal of 677457 is 754776.

It is not a de Polignac number, because 677457 - 2⁴ = 677441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (68460).

2⁶⁷⁷⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

677457 is a deficient number, since it is larger than the sum of its proper divisors (417903).

677457 is a wasteful number, since it uses less digits than its factorization.

677457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301 (or 2295 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 677457 is about 823.0777606035. The cubic root of 677457 is about 87.8268375124.

The spelling of 677457 in words is "six hundred seventy-seven thousand, four hundred fifty-seven".