712870 has 8 divisors (see below), whose sum is σ = 1283184. Its totient is φ = 285144.

The previous prime is 712847. The next prime is 712883. The reversal of 712870 is 78217.

It is a happy number.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 712870.

It is an unprimeable number.

712870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35634 + ... + 35653.

It is an arithmetic number, because the mean of its divisors is an integer number (160398).

2⁷¹²⁸⁷⁰ is an apocalyptic number.

712870 is a deficient number, since it is larger than the sum of its proper divisors (570314).

712870 is a wasteful number, since it uses less digits than its factorization.

712870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71294.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 712870 is about 844.3162914453. The cubic root of 712870 is about 89.3312572226.

The spelling of 712870 in words is "seven hundred twelve thousand, eight hundred seventy".