726314672644 has 12 divisors (see below), whose sum is σ = 1386600738768. Its totient is φ = 330143033000.

The previous prime is 726314672609. The next prime is 726314672663. The reversal of 726314672644 is 446276413627.

It is a junction number, because it is equal to n+sod(n) for n = 726314672591 and 726314672600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8253575782 + ... + 8253575869.

It is an arithmetic number, because the mean of its divisors is an integer number (115550061564).

Almost surely, 2^726314672644 is an apocalyptic number.

It is an amenable number.

726314672644 is a deficient number, since it is larger than the sum of its proper divisors (660286066124).

726314672644 is a wasteful number, since it uses less digits than its factorization.

726314672644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507151666 (or 16507151664 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 52.

The spelling of 726314672644 in words is "seven hundred twenty-six billion, three hundred fourteen million, six hundred seventy-two thousand, six hundred forty-four".