7020640 has 48 divisors (see below), whose sum is σ = 18098640. Its totient is φ = 2552320.

The previous prime is 7020623. The next prime is 7020641. The reversal of 7020640 is 460207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020641) 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, 235 + ... + 3754.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^7020640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7020640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9049320).

7020640 is an abundant number, since it is smaller than the sum of its proper divisors (11078000).

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

7020640 is a wasteful number, since it uses less digits than its factorization.

7020640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015 (or 4007 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7020640 is about 2649.6490333627. The cubic root of 7020640 is about 191.4809475963.

Adding to 7020640 its reverse (460207), we get a palindrome (7480847).

The spelling of 7020640 in words is "seven million, twenty thousand, six hundred forty".