718441 has 4 divisors (see below), whose sum is σ = 729232. Its totient is φ = 707652.

The previous prime is 718433. The next prime is 718453. The reversal of 718441 is 144817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 718441 - 2³ = 718433 is a prime.

It is a Duffinian number.

718441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (718411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5295 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (182308).

2⁷¹⁸⁴⁴¹ is an apocalyptic number.

It is an amenable number.

718441 is a deficient number, since it is larger than the sum of its proper divisors (10791).

718441 is a wasteful number, since it uses less digits than its factorization.

718441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790.

The product of its digits is 896, while the sum is 25.

The square root of 718441 is about 847.6089900420. The cubic root of 718441 is about 89.5633582770.

It can be divided in two parts, 7184 and 41, that added together give a square (7225 = 85²).

The spelling of 718441 in words is "seven hundred eighteen thousand, four hundred forty-one".