718670 has 8 divisors (see below), whose sum is σ = 1293624. Its totient is φ = 287464.

The previous prime is 718661. The next prime is 718691. The reversal of 718670 is 76817.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

718670 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35924 + ... + 35943.

It is an arithmetic number, because the mean of its divisors is an integer number (161703).

2⁷¹⁸⁶⁷⁰ is an apocalyptic number.

718670 is a deficient number, since it is larger than the sum of its proper divisors (574954).

718670 is a wasteful number, since it uses less digits than its factorization.

718670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71874.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 718670 is about 847.7440651517. The cubic root of 718670 is about 89.5728732454.

The spelling of 718670 in words is "seven hundred eighteen thousand, six hundred seventy".