740218 has 8 divisors (see below), whose sum is σ = 1146240. Its totient is φ = 358140.

The previous prime is 740191. The next prime is 740227. The reversal of 740218 is 812047.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5908 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (143280).

2⁷⁴⁰²¹⁸ is an apocalyptic number.

740218 is a deficient number, since it is larger than the sum of its proper divisors (406022).

740218 is a wasteful number, since it uses less digits than its factorization.

740218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11972.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 740218 is about 860.3592272999. The cubic root of 740218 is about 90.4592981610.

The spelling of 740218 in words is "seven hundred forty thousand, two hundred eighteen".