717329089 has 3 divisors (see below), whose sum is σ = 717355873. Its totient is φ = 717302306.

The previous prime is 717329069. The next prime is 717329113. The reversal of 717329089 is 980923717.

It is a happy number.

The square root of 717329089 is 26783.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 980923717 = 71 ⋅13815827.

It is not a de Polignac number, because 717329089 - 2¹³ = 717320897 is a prime.

It is a super-2 number, since 2×717329089² = 1029122043851139842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717329009) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13392 + ... + 40174.

Almost surely, 2^717329089 is an apocalyptic number.

717329089 is the 26783-rd square number.

717329089 is the 13392-nd centered octagonal number.

It is an amenable number.

717329089 is a deficient number, since it is larger than the sum of its proper divisors (26784).

717329089 is an frugal number, since it uses more digits than its factorization.

717329089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53566 (or 26783 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The cubic root of 717329089 is about 895.1712951995.

The spelling of 717329089 in words is "seven hundred seventeen million, three hundred twenty-nine thousand, eighty-nine".