8220753 has 6 divisors (see below), whose sum is σ = 11874434. Its totient is φ = 5480496.

The previous prime is 8220743. The next prime is 8220767. The reversal of 8220753 is 3570228.

8220753 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 419904 = 2793^2 + 648^2 .

It is not a de Polignac number, because 8220753 - 2⁶ = 8220689 is a prime.

It is a super-3 number, since 3×8220753³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8220713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456700 + ... + 456717.

Almost surely, 2^8220753 is an apocalyptic number.

It is an amenable number.

8220753 is a deficient number, since it is larger than the sum of its proper divisors (3653681).

8220753 is a wasteful number, since it uses less digits than its factorization.

8220753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913423 (or 913420 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8220753 is about 2867.1855538141. The cubic root of 8220753 is about 201.8229422588.

The spelling of 8220753 in words is "eight million, two hundred twenty thousand, seven hundred fifty-three".