717318461 has 4 divisors (see below), whose sum is σ = 717534624. Its totient is φ = 717102300.

The previous prime is 717318431. The next prime is 717318473. The reversal of 717318461 is 164813717.

It is a happy number.

717318461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 717318461 - 2⁶ = 717318397 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 (717318421) 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, 103025 + ... + 109766.

It is an arithmetic number, because the mean of its divisors is an integer number (179383656).

Almost surely, 2^717318461 is an apocalyptic number.

It is an amenable number.

717318461 is a deficient number, since it is larger than the sum of its proper divisors (216163).

717318461 is a wasteful number, since it uses less digits than its factorization.

717318461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216162.

The product of its digits is 28224, while the sum is 38.

The square root of 717318461 is about 26782.8015898263. The cubic root of 717318461 is about 895.1668742033.

The spelling of 717318461 in words is "seven hundred seventeen million, three hundred eighteen thousand, four hundred sixty-one".