676739 has 8 divisors (see below), whose sum is σ = 789600. Its totient is φ = 579768.

The previous prime is 676733. The next prime is 676747. The reversal of 676739 is 937676.

It is not a de Polignac number, because 676739 - 2¹² = 672643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676733) 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, 644 + ... + 1329.

It is an arithmetic number, because the mean of its divisors is an integer number (98700).

2⁶⁷⁶⁷³⁹ is an apocalyptic number.

676739 is a deficient number, since it is larger than the sum of its proper divisors (112861).

676739 is an equidigital number, since it uses as much as digits as its factorization.

676739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1980 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 676739 is about 822.6414771940. The cubic root of 676739 is about 87.7957989075.

The spelling of 676739 in words is "six hundred seventy-six thousand, seven hundred thirty-nine".