677973 has 8 divisors (see below), whose sum is σ = 917728. Its totient is φ = 445104.

The previous prime is 677959. The next prime is 677983. The reversal of 677973 is 379776.

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

It is not a de Polignac number, because 677973 - 2⁸ = 677717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (114716).

2⁶⁷⁷⁹⁷³ is an apocalyptic number.

It is an amenable number.

677973 is a deficient number, since it is larger than the sum of its proper divisors (239755).

677973 is a wasteful number, since it uses less digits than its factorization.

677973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its digits is 55566, while the sum is 39.

The square root of 677973 is about 823.3911585632. The cubic root of 677973 is about 87.8491302665.

The spelling of 677973 in words is "six hundred seventy-seven thousand, nine hundred seventy-three".