726313664 has 14 divisors (see below), whose sum is σ = 1441278804. Its totient is φ = 363156800.

The previous prime is 726313657. The next prime is 726313691. The reversal of 726313664 is 466313627.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5674262 + ... + 5674389.

It is an arithmetic number, because the mean of its divisors is an integer number (102948486).

Almost surely, 2^726313664 is an apocalyptic number.

It is an amenable number.

726313664 is a deficient number, since it is larger than the sum of its proper divisors (714965140).

726313664 is a wasteful number, since it uses less digits than its factorization.

726313664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348663 (or 11348653 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 726313664 is about 26950.2071235083. The cubic root of 726313664 is about 898.8931512542.

The spelling of 726313664 in words is "seven hundred twenty-six million, three hundred thirteen thousand, six hundred sixty-four".