718633 has 2 divisors, whose sum is σ = 718634. Its totient is φ = 718632.

The previous prime is 718621. The next prime is 718657. The reversal of 718633 is 336817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597529 + 121104 = 773^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 718633 - 2⁹ = 718121 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359316 + 359317.

It is an arithmetic number, because the mean of its divisors is an integer number (359317).

2⁷¹⁸⁶³³ is an apocalyptic number.

It is an amenable number.

718633 is a deficient number, since it is larger than the sum of its proper divisors (1).

718633 is an equidigital number, since it uses as much as digits as its factorization.

718633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 718633 is about 847.7222422468. The cubic root of 718633 is about 89.5713360293.

The spelling of 718633 in words is "seven hundred eighteen thousand, six hundred thirty-three".