706779 has 8 divisors (see below), whose sum is σ = 1047120. Its totient is φ = 471168.

The previous prime is 706763. The next prime is 706787. The reversal of 706779 is 977607.

It is not a de Polignac number, because 706779 - 2⁴ = 706763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13062 + ... + 13115.

It is an arithmetic number, because the mean of its divisors is an integer number (130890).

2⁷⁰⁶⁷⁷⁹ is an apocalyptic number.

706779 is a deficient number, since it is larger than the sum of its proper divisors (340341).

706779 is a wasteful number, since it uses less digits than its factorization.

706779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26186 (or 26180 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 706779 is about 840.7014928023. The cubic root of 706779 is about 89.0761037392.

It can be divided in two parts, 706 and 779, that added together give a triangular number (1485 = T₅₄).

The spelling of 706779 in words is "seven hundred six thousand, seven hundred seventy-nine".