727679 has 8 divisors (see below), whose sum is σ = 760608. Its totient is φ = 695520.

The previous prime is 727673. The next prime is 727691. The reversal of 727679 is 976727.

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

It is a cyclic number.

It is not a de Polignac number, because 727679 - 2¹⁶ = 662143 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 (727673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (95076).

2⁷²⁷⁶⁷⁹ is an apocalyptic number.

727679 is a deficient number, since it is larger than the sum of its proper divisors (32929).

727679 is a wasteful number, since it uses less digits than its factorization.

727679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 37044, while the sum is 38.

The square root of 727679 is about 853.0410306662. The cubic root of 727679 is about 89.9456049910.

It can be divided in two parts, 7 and 27679, that multiplied together give a triangular number (193753 = T₆₂₂).

The spelling of 727679 in words is "seven hundred twenty-seven thousand, six hundred seventy-nine".