726106565 has 8 divisors (see below), whose sum is σ = 917187360. Its totient is φ = 550312272.

The previous prime is 726106547. The next prime is 726106627. The reversal of 726106565 is 565601627.

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 726106565 - 2⁶ = 726106501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3821519 + ... + 3821708.

It is an arithmetic number, because the mean of its divisors is an integer number (114648420).

Almost surely, 2^726106565 is an apocalyptic number.

It is an amenable number.

726106565 is a deficient number, since it is larger than the sum of its proper divisors (191080795).

726106565 is a wasteful number, since it uses less digits than its factorization.

726106565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643251.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 726106565 is about 26946.3645971029. The cubic root of 726106565 is about 898.8077071922.

The spelling of 726106565 in words is "seven hundred twenty-six million, one hundred six thousand, five hundred sixty-five".