718943 has 2 divisors, whose sum is σ = 718944. Its totient is φ = 718942.

The previous prime is 718937. The next prime is 718973. The reversal of 718943 is 349817.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 718943 - 2¹⁰ = 717919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359471 + 359472.

It is an arithmetic number, because the mean of its divisors is an integer number (359472).

2⁷¹⁸⁹⁴³ is an apocalyptic number.

718943 is a deficient number, since it is larger than the sum of its proper divisors (1).

718943 is an equidigital number, since it uses as much as digits as its factorization.

718943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 718943 is about 847.9050654407. The cubic root of 718943 is about 89.5842137766.

It can be divided in two parts, 718 and 943, that added together give a palindrome (1661).

The spelling of 718943 in words is "seven hundred eighteen thousand, nine hundred forty-three".