677480 has 16 divisors (see below), whose sum is σ = 1524420. Its totient is φ = 270976.

The previous prime is 677473. The next prime is 677531. The reversal of 677480 is 84776.

It can be written as a sum of positive squares in 2 ways, for example, as 662596 + 14884 = 814^2 + 122^2 .

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, 8429 + ... + 8508.

2⁶⁷⁷⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

677480 is an abundant number, since it is smaller than the sum of its proper divisors (846940).

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

677480 is a wasteful number, since it uses less digits than its factorization.

677480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948 (or 16944 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 677480 is about 823.0917324333. The cubic root of 677480 is about 87.8278314226.

Subtracting from 677480 its reverse (84776), we obtain a cube (592704 = 84³).

The spelling of 677480 in words is "six hundred seventy-seven thousand, four hundred eighty".