720382111 has 8 divisors (see below), whose sum is σ = 724279248. Its totient is φ = 716496000.

The previous prime is 720382087. The next prime is 720382121. The reversal of 720382111 is 111283027.

It is a happy number.

720382111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 720382111 - 2¹³ = 720373919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720382121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150231 + ... + 154951.

It is an arithmetic number, because the mean of its divisors is an integer number (90534906).

Almost surely, 2^720382111 is an apocalyptic number.

720382111 is a deficient number, since it is larger than the sum of its proper divisors (3897137).

720382111 is a wasteful number, since it uses less digits than its factorization.

720382111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 720382111 is about 26839.9350036471. The cubic root of 720382111 is about 896.4394762754.

The spelling of 720382111 in words is "seven hundred twenty million, three hundred eighty-two thousand, one hundred eleven".