726220856 has 16 divisors (see below), whose sum is σ = 1364920200. Its totient is φ = 362242144.

The previous prime is 726220853. The next prime is 726220879. The reversal of 726220856 is 658022627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726220853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104975 + ... + 111678.

Almost surely, 2^726220856 is an apocalyptic number.

It is an amenable number.

726220856 is a deficient number, since it is larger than the sum of its proper divisors (638699344).

726220856 is a wasteful number, since it uses less digits than its factorization.

726220856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217078 (or 217074 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 726220856 is about 26948.4852264464. The cubic root of 726220856 is about 898.8548629163.

The spelling of 726220856 in words is "seven hundred twenty-six million, two hundred twenty thousand, eight hundred fifty-six".