717479 has 4 divisors (see below), whose sum is σ = 819984. Its totient is φ = 614976.

The previous prime is 717463. The next prime is 717491. The reversal of 717479 is 974717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974717 = 23 ⋅42379.

It is a cyclic number.

It is not a de Polignac number, because 717479 - 2⁴ = 717463 is a prime.

It is a super-2 number, since 2×717479² = 1029552230882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717419) 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, 51242 + ... + 51255.

It is an arithmetic number, because the mean of its divisors is an integer number (204996).

2⁷¹⁷⁴⁷⁹ is an apocalyptic number.

717479 is a deficient number, since it is larger than the sum of its proper divisors (102505).

717479 is a wasteful number, since it uses less digits than its factorization.

717479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102504.

The product of its digits is 12348, while the sum is 35.

The square root of 717479 is about 847.0413213061. The cubic root of 717479 is about 89.5233649972.

The spelling of 717479 in words is "seven hundred seventeen thousand, four hundred seventy-nine".