8720063 has 8 divisors (see below), whose sum is σ = 9628416. Its totient is φ = 7831000.

The previous prime is 8720057. The next prime is 8720071. The reversal of 8720063 is 3600278.

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 8720063 - 2⁶ = 8719999 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 (8723063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3863 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (1203552).

Almost surely, 2^8720063 is an apocalyptic number.

8720063 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

8720063 is a deficient number, since it is larger than the sum of its proper divisors (908353).

8720063 is a wasteful number, since it uses less digits than its factorization.

8720063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 8720063 is about 2952.9752792734. The cubic root of 8720063 is about 205.8289890010.

The spelling of 8720063 in words is "eight million, seven hundred twenty thousand, sixty-three".