706879 has 4 divisors (see below), whose sum is σ = 718920. Its totient is φ = 694840.

The previous prime is 706847. The next prime is 706883. The reversal of 706879 is 978607.

706879 = 11² + 12² + ... + 128².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978607 = 7 ⋅139801.

It is a cyclic number.

It is not a de Polignac number, because 706879 - 2⁵ = 706847 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 (706829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5932 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (179730).

2⁷⁰⁶⁸⁷⁹ is an apocalyptic number.

706879 is a deficient number, since it is larger than the sum of its proper divisors (12041).

706879 is a wasteful number, since it uses less digits than its factorization.

706879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 706879 is about 840.7609648408. The cubic root of 706879 is about 89.0803045763.

The spelling of 706879 in words is "seven hundred six thousand, eight hundred seventy-nine".