677632 has 18 divisors (see below), whose sum is σ = 1353128. Its totient is φ = 338688.

The previous prime is 677627. The next prime is 677639. The reversal of 677632 is 236776.

It is a junction number, because it is equal to n+sod(n) for n = 677594 and 677603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068 + ... + 1579.

2⁶⁷⁷⁶³² is an apocalyptic number.

It is an amenable number.

677632 is a deficient number, since it is larger than the sum of its proper divisors (675496).

677632 is an equidigital number, since it uses as much as digits as its factorization.

677632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2649 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 677632 is about 823.1840620420. The cubic root of 677632 is about 87.8343993076.

The spelling of 677632 in words is "six hundred seventy-seven thousand, six hundred thirty-two".