1716494729 has 8 divisors (see below), whose sum is σ = 1778526720. Its totient is φ = 1655560816.

The previous prime is 1716494723. The next prime is 1716494803. The reversal of 1716494729 is 9274946171.

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 1716494729 - 2¹⁶ = 1716429193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1716494723) 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, 271337 + ... + 277590.

It is an arithmetic number, because the mean of its divisors is an integer number (222315840).

Almost surely, 2^1716494729 is an apocalyptic number.

It is an amenable number.

1716494729 is a deficient number, since it is larger than the sum of its proper divisors (62031991).

1716494729 is an equidigital number, since it uses as much as digits as its factorization.

1716494729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549039.

The product of its digits is 762048, while the sum is 50.

The square root of 1716494729 is about 41430.6013593817. The cubic root of 1716494729 is about 1197.3308100804.

The spelling of 1716494729 in words is "one billion, seven hundred sixteen million, four hundred ninety-four thousand, seven hundred twenty-nine".