717421061 has 16 divisors (see below), whose sum is σ = 847505280. Its totient is φ = 594578880.

The previous prime is 717421051. The next prime is 717421093. The reversal of 717421061 is 160124717.

It is not a de Polignac number, because 717421061 - 2¹⁰ = 717420037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717421031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10955 + ... + 39431.

It is an arithmetic number, because the mean of its divisors is an integer number (52969080).

Almost surely, 2^717421061 is an apocalyptic number.

It is an amenable number.

717421061 is a deficient number, since it is larger than the sum of its proper divisors (130084219).

717421061 is a wasteful number, since it uses less digits than its factorization.

717421061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28604.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 717421061 is about 26784.7169296224. The cubic root of 717421061 is about 895.2095515485.

Adding to 717421061 its reverse (160124717), we get a palindrome (877545778).

The spelling of 717421061 in words is "seven hundred seventeen million, four hundred twenty-one thousand, sixty-one".