718090 has 8 divisors (see below), whose sum is σ = 1292580. Its totient is φ = 287232.

The previous prime is 718087. The next prime is 718093. The reversal of 718090 is 90817.

718090 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 (718087) and next prime (718093).

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 57121 = 813^2 + 239^2 .

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

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (718093) 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, 35895 + ... + 35914.

2⁷¹⁸⁰⁹⁰ is an apocalyptic number.

718090 is a deficient number, since it is larger than the sum of its proper divisors (574490).

718090 is a wasteful number, since it uses less digits than its factorization.

718090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71816.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 718090 is about 847.4019117278. The cubic root of 718090 is about 89.5487702733.

The spelling of 718090 in words is "seven hundred eighteen thousand, ninety".