718401 has 8 divisors (see below), whose sum is σ = 980320. Its totient is φ = 467712.

The previous prime is 718391. The next prime is 718411. The reversal of 718401 is 104817.

718401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (718391) and next prime (718411).

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

It is not a de Polignac number, because 718401 - 2⁶ = 718337 is a prime.

It is a Duffinian number.

It is a Curzon number.

718401 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 7 ways as a sum of consecutive naturals, for example, 2656 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (122540).

2⁷¹⁸⁴⁰¹ is an apocalyptic number.

It is an amenable number.

718401 is a deficient number, since it is larger than the sum of its proper divisors (261919).

718401 is a wasteful number, since it uses less digits than its factorization.

718401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615.

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

The square root of 718401 is about 847.5853939280. The cubic root of 718401 is about 89.5616960663.

The spelling of 718401 in words is "seven hundred eighteen thousand, four hundred one".