717728342 has 8 divisors (see below), whose sum is σ = 1078223232. Its totient is φ = 358320600.

The previous prime is 717728339. The next prime is 717728357. The reversal of 717728342 is 243827717.

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

It is a self number, because there is not a number n which added to its sum of digits gives 717728342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270134 + ... + 272777.

It is an arithmetic number, because the mean of its divisors is an integer number (134777904).

Almost surely, 2^717728342 is an apocalyptic number.

717728342 is a deficient number, since it is larger than the sum of its proper divisors (360494890).

717728342 is a wasteful number, since it uses less digits than its factorization.

717728342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543574.

The product of its digits is 131712, while the sum is 41.

The square root of 717728342 is about 26790.4524411216. The cubic root of 717728342 is about 895.3373433651.

The spelling of 717728342 in words is "seven hundred seventeen million, seven hundred twenty-eight thousand, three hundred forty-two".