712323217 has 8 divisors (see below), whose sum is σ = 730225440.
Its totient is φ = 694446240.
The previous prime is 712323151. The next prime is 712323247.
It is a happy number.
712323217 is nontrivially palindromic in base 10.
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 712323217 - 219 = 711798929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (712323247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59238 + ... + 70240.
It is an arithmetic number, because the mean of its divisors is an integer number (91278180).
Almost surely, 2712323217 is an apocalyptic number.
It is an amenable number.
712323217 is a deficient number, since it is larger than the sum of its proper divisors (17902223).
712323217 is a wasteful number, since it uses less digits than its factorization.
712323217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12623.
The product of its digits is 3528, while the sum is 28.
The square root of 712323217 is about 26689.3839756559.
The cubic root of 712323217 is about 893.0841186680.
The spelling of 712323217 in words is "seven hundred twelve million, three hundred twenty-three thousand, two hundred seventeen".