706312 has 8 divisors (see below), whose sum is σ = 1324350. Its totient is φ = 353152.

The previous prime is 706309. The next prime is 706313. The reversal of 706312 is 213607.

It can be written as a sum of positive squares in only one way, i.e., 481636 + 224676 = 694^2 + 474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 706312.

It is not an unprimeable number, because it can be changed into a prime (706313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44137 + ... + 44152.

2⁷⁰⁶³¹² is an apocalyptic number.

It is an amenable number.

706312 is a deficient number, since it is larger than the sum of its proper divisors (618038).

706312 is a wasteful number, since it uses less digits than its factorization.

706312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88295 (or 88291 counting only the distinct ones).

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

The square root of 706312 is about 840.4237026643. The cubic root of 706312 is about 89.0564805822.

Adding to 706312 its reverse (213607), we get a palindrome (919919).

The spelling of 706312 in words is "seven hundred six thousand, three hundred twelve".