706321 has 8 divisors (see below), whose sum is σ = 880704. Its totient is φ = 550320.

The previous prime is 706313. The next prime is 706337. The reversal of 706321 is 123607.

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 706321 - 2³ = 706313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706301) 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, 4510 + ... + 4663.

It is an arithmetic number, because the mean of its divisors is an integer number (110088).

2⁷⁰⁶³²¹ is an apocalyptic number.

It is an amenable number.

706321 is a deficient number, since it is larger than the sum of its proper divisors (174383).

706321 is a wasteful number, since it uses less digits than its factorization.

706321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 706321 is about 840.4290570893. The cubic root of 706321 is about 89.0568588404.

Adding to 706321 its reverse (123607), we get a palindrome (829928).

The spelling of 706321 in words is "seven hundred six thousand, three hundred twenty-one".