718212 has 24 divisors (see below), whose sum is σ = 1828512. Its totient is φ = 217600.

The previous prime is 718187. The next prime is 718241. The reversal of 718212 is 212817.

718212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

718212 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 7 ways as a sum of consecutive naturals, for example, 2589 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (76188).

2⁷¹⁸²¹² is an apocalyptic number.

It is an amenable number.

718212 is an abundant number, since it is smaller than the sum of its proper divisors (1110300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

718212 is a wasteful number, since it uses less digits than its factorization.

718212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459 (or 5457 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 718212 is about 847.4738934032. The cubic root of 718212 is about 89.5538412864.

The spelling of 718212 in words is "seven hundred eighteen thousand, two hundred twelve".