726781822546604 has 12 divisors (see below), whose sum is σ = 1387492570316328. Its totient is φ = 330355373884800.

The previous prime is 726781822546589. The next prime is 726781822546613. The reversal of 726781822546604 is 406645228187627.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8258884347077 + ... + 8258884347164.

It is an arithmetic number, because the mean of its divisors is an integer number (115624380859694).

Almost surely, 2^{726781822546604} is an apocalyptic number.

It is an amenable number.

726781822546604 is a deficient number, since it is larger than the sum of its proper divisors (660710747769724).

726781822546604 is a wasteful number, since it uses less digits than its factorization.

726781822546604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16517768694256 (or 16517768694254 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 68.

The spelling of 726781822546604 in words is "seven hundred twenty-six trillion, seven hundred eighty-one billion, eight hundred twenty-two million, five hundred forty-six thousand, six hundred four".