720266803 has 8 divisors (see below), whose sum is σ = 761636736. Its totient is φ = 680030400.

The previous prime is 720266797. The next prime is 720266843. The reversal of 720266803 is 308662027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720266803 - 2⁹ = 720266291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720266843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 282076 + ... + 284617.

It is an arithmetic number, because the mean of its divisors is an integer number (95204592).

Almost surely, 2^720266803 is an apocalyptic number.

720266803 is a deficient number, since it is larger than the sum of its proper divisors (41369933).

720266803 is a wasteful number, since it uses less digits than its factorization.

720266803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566765.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 720266803 is about 26837.7868498876. The cubic root of 720266803 is about 896.3916441794.

The spelling of 720266803 in words is "seven hundred twenty million, two hundred sixty-six thousand, eight hundred three".