677090 has 8 divisors (see below), whose sum is σ = 1218780. Its totient is φ = 270832.

The previous prime is 677081. The next prime is 677107. The reversal of 677090 is 90776.

It can be written as a sum of positive squares in 2 ways, for example, as 579121 + 97969 = 761^2 + 313^2 .

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

It is a Curzon number.

It is an unprimeable number.

677090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33845 + ... + 33864.

2⁶⁷⁷⁰⁹⁰ is an apocalyptic number.

677090 is a deficient number, since it is larger than the sum of its proper divisors (541690).

677090 is a wasteful number, since it uses less digits than its factorization.

677090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67716.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 677090 is about 822.8547867030. The cubic root of 677090 is about 87.8109751174.

The spelling of 677090 in words is "six hundred seventy-seven thousand, ninety".