717282745 has 8 divisors (see below), whose sum is σ = 879053184. Its totient is φ = 561616944.

The previous prime is 717282721. The next prime is 717282749. The reversal of 717282745 is 547282717.

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

It is a cyclic number.

It is not a de Polignac number, because 717282745 - 2⁷ = 717282617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717282749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525899 + ... + 1526368.

It is an arithmetic number, because the mean of its divisors is an integer number (109881648).

Almost surely, 2^717282745 is an apocalyptic number.

It is an amenable number.

717282745 is a deficient number, since it is larger than the sum of its proper divisors (161770439).

717282745 is a wasteful number, since it uses less digits than its factorization.

717282745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052319.

The product of its digits is 219520, while the sum is 43.

The square root of 717282745 is about 26782.1348103545. The cubic root of 717282745 is about 895.1520168736.

The spelling of 717282745 in words is "seven hundred seventeen million, two hundred eighty-two thousand, seven hundred forty-five".