742218 has 16 divisors (see below), whose sum is σ = 1500096. Its totient is φ = 244800.

The previous prime is 742213. The next prime is 742219. The reversal of 742218 is 812247.

742218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742218.

It is not an unprimeable number, because it can be changed into a prime (742211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (93756).

2⁷⁴²²¹⁸ is an apocalyptic number.

742218 is an abundant number, since it is smaller than the sum of its proper divisors (757878).

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

742218 is a wasteful number, since it uses less digits than its factorization.

742218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309.

The product of its digits is 896, while the sum is 24.

The square root of 742218 is about 861.5207484443. The cubic root of 742218 is about 90.5406957577.

The spelling of 742218 in words is "seven hundred forty-two thousand, two hundred eighteen".