718999 has 2 divisors, whose sum is σ = 719000. Its totient is φ = 718998.

The previous prime is 718973. The next prime is 719009. The reversal of 718999 is 999817.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 718999 - 2⁷ = 718871 is a prime.

718999 is a modest number, since divided by 999 gives 718 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359499 + 359500.

It is an arithmetic number, because the mean of its divisors is an integer number (359500).

2⁷¹⁸⁹⁹⁹ is an apocalyptic number.

718999 is a deficient number, since it is larger than the sum of its proper divisors (1).

718999 is an equidigital number, since it uses as much as digits as its factorization.

718999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 43.

The square root of 718999 is about 847.9380873625. The cubic root of 718999 is about 89.5865396845.

The spelling of 718999 in words is "seven hundred eighteen thousand, nine hundred ninety-nine".