677018 has 8 divisors (see below), whose sum is σ = 1022112. Its totient is φ = 336316.

The previous prime is 677011. The next prime is 677021. The reversal of 677018 is 810776.

677018 = 232² + 233² + ... + 243².

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (677011) by changing a digit.

677018 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, 680 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (127764).

2⁶⁷⁷⁰¹⁸ is an apocalyptic number.

677018 is a deficient number, since it is larger than the sum of its proper divisors (345094).

677018 is a wasteful number, since it uses less digits than its factorization.

677018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 677018 is about 822.8110354146. The cubic root of 677018 is about 87.8078624763.

The spelling of 677018 in words is "six hundred seventy-seven thousand, eighteen".