726717270550 has 24 divisors (see below), whose sum is σ = 1351716571656. Its totient is φ = 290682080640.

The previous prime is 726717270527. The next prime is 726717270551. The reversal of 726717270550 is 55072717627.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 726717270494 and 726717270503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726717270551) 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 11 ways as a sum of consecutive naturals, for example, 5689689 + ... + 5816011.

It is an arithmetic number, because the mean of its divisors is an integer number (56321523819).

Almost surely, 2^726717270550 is an apocalyptic number.

726717270550 is a deficient number, since it is larger than the sum of its proper divisors (624999301106).

726717270550 is a wasteful number, since it uses less digits than its factorization.

726717270550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241392 (or 241387 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 49.

The spelling of 726717270550 in words is "seven hundred twenty-six billion, seven hundred seventeen million, two hundred seventy thousand, five hundred fifty".