7020340 has 24 divisors (see below), whose sum is σ = 14835240. Its totient is φ = 2790528.

The previous prime is 7020331. The next prime is 7020341. The reversal of 7020340 is 430207.

It can be written as a sum of positive squares in 4 ways, for example, as 4376464 + 2643876 = 2092^2 + 1626^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020341) 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, 2446 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (618135).

Almost surely, 2^7020340 is an apocalyptic number.

It is an amenable number.

7020340 is an abundant number, since it is smaller than the sum of its proper divisors (7814900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7020340 is a wasteful number, since it uses less digits than its factorization.

7020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 7020340 is about 2649.5924214867. The cubic root of 7020340 is about 191.4782201573.

Adding to 7020340 its reverse (430207), we get a palindrome (7450547).

The spelling of 7020340 in words is "seven million, twenty thousand, three hundred forty".