726464111 has 4 divisors (see below), whose sum is σ = 769197312. Its totient is φ = 683730912.

The previous prime is 726464087. The next prime is 726464129. The reversal of 726464111 is 111464627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111464627 = 3989 ⋅27943.

It is a cyclic number.

It is not a de Polignac number, because 726464111 - 2¹⁴ = 726447727 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 (726464611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21366575 + ... + 21366608.

It is an arithmetic number, because the mean of its divisors is an integer number (192299328).

Almost surely, 2^726464111 is an apocalyptic number.

726464111 is a deficient number, since it is larger than the sum of its proper divisors (42733201).

726464111 is a wasteful number, since it uses less digits than its factorization.

726464111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42733200.

The product of its digits is 8064, while the sum is 32.

The square root of 726464111 is about 26952.9981820205. The cubic root of 726464111 is about 898.9552118800.

The spelling of 726464111 in words is "seven hundred twenty-six million, four hundred sixty-four thousand, one hundred eleven".