675997 has 8 divisors (see below), whose sum is σ = 777600. Its totient is φ = 575664.

The previous prime is 675979. The next prime is 676007. The reversal of 675997 is 799576.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675977) 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, 1704 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2⁶⁷⁵⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

675997 is a deficient number, since it is larger than the sum of its proper divisors (101603).

675997 is a wasteful number, since it uses less digits than its factorization.

675997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its digits is 119070, while the sum is 43.

The square root of 675997 is about 822.1903672508. The cubic root of 675997 is about 87.7636997249.

The spelling of 675997 in words is "six hundred seventy-five thousand, nine hundred ninety-seven".