677066 has 8 divisors (see below), whose sum is σ = 1093764. Its totient is φ = 312480.

The previous prime is 677057. The next prime is 677077. The reversal of 677066 is 660776.

It can be written as a sum of positive squares in 2 ways, for example, as 674041 + 3025 = 821^2 + 55^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12995 + ... + 13046.

2⁶⁷⁷⁰⁶⁶ is an apocalyptic number.

677066 is a deficient number, since it is larger than the sum of its proper divisors (416698).

677066 is a wasteful number, since it uses less digits than its factorization.

677066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 677066 is about 822.8402031987. The cubic root of 677066 is about 87.8099375949.

Subtracting from 677066 its reverse (660776), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 677066 in words is "six hundred seventy-seven thousand, sixty-six".