726000001 has 4 divisors (see below), whose sum is σ = 726377904. Its totient is φ = 725622100.

The previous prime is 725999999. The next prime is 726000017. The reversal of 726000001 is 100000627.

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 726000001 - 2¹ = 725999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186055 + ... + 189916.

It is an arithmetic number, because the mean of its divisors is an integer number (181594476).

Almost surely, 2^726000001 is an apocalyptic number.

It is an amenable number.

726000001 is a deficient number, since it is larger than the sum of its proper divisors (377903).

726000001 is a wasteful number, since it uses less digits than its factorization.

726000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377902.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 726000001 is about 26944.3871891717. The cubic root of 726000001 is about 898.7637351202.

Adding to 726000001 its reverse (100000627), we get a palindrome (826000628).

The spelling of 726000001 in words is "seven hundred twenty-six million, one", and thus it is an aban number.