726364923 has 16 divisors (see below), whose sum is σ = 973664256. Its totient is φ = 481662720.

The previous prime is 726364921. The next prime is 726364939. The reversal of 726364923 is 329463627.

It is not a de Polignac number, because 726364923 - 2¹ = 726364921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726364921) 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 15 ways as a sum of consecutive naturals, for example, 667686 + ... + 668772.

It is an arithmetic number, because the mean of its divisors is an integer number (60854016).

Almost surely, 2^726364923 is an apocalyptic number.

726364923 is a deficient number, since it is larger than the sum of its proper divisors (247299333).

726364923 is a wasteful number, since it uses less digits than its factorization.

726364923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074.

The product of its digits is 326592, while the sum is 42.

The square root of 726364923 is about 26951.1581012765. The cubic root of 726364923 is about 898.9142969761.

The spelling of 726364923 in words is "seven hundred twenty-six million, three hundred sixty-four thousand, nine hundred twenty-three".