712834 has 8 divisors (see below), whose sum is σ = 1079568. Its totient is φ = 352980.

The previous prime is 712819. The next prime is 712837. The reversal of 712834 is 438217.

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

It is a junction number, because it is equal to n+sod(n) for n = 712799 and 712808.

It is not an unprimeable number, because it can be changed into a prime (712837) by changing a digit.

712834 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (134946).

2⁷¹²⁸³⁴ is an apocalyptic number.

712834 is a deficient number, since it is larger than the sum of its proper divisors (366734).

712834 is a wasteful number, since it uses less digits than its factorization.

712834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440.

The product of its digits is 1344, while the sum is 25.

The square root of 712834 is about 844.2949721513. The cubic root of 712834 is about 89.3297534518.

The spelling of 712834 in words is "seven hundred twelve thousand, eight hundred thirty-four".