7020845 has 8 divisors (see below), whose sum is σ = 9073176. Its totient is φ = 5184576.

The previous prime is 7020829. The next prime is 7020877. The reversal of 7020845 is 5480207.

7020845 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 4 ways, for example, as 477481 + 6543364 = 691^2 + 2558^2 .

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 7020845 - 2⁴ = 7020829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53942 + ... + 54071.

It is an arithmetic number, because the mean of its divisors is an integer number (1134147).

Almost surely, 2^7020845 is an apocalyptic number.

It is an amenable number.

7020845 is a deficient number, since it is larger than the sum of its proper divisors (2052331).

7020845 is a wasteful number, since it uses less digits than its factorization.

7020845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108031.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7020845 is about 2649.6877174490. The cubic root of 7020845 is about 191.4828113016.

The spelling of 7020845 in words is "seven million, twenty thousand, eight hundred forty-five".