6995620 has 24 divisors (see below), whose sum is σ = 14830200. Its totient is φ = 2771712.

The previous prime is 6995617. The next prime is 6995623. The reversal of 6995620 is 265996.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6995617) and next prime (6995623).

It can be written as a sum of positive squares in 4 ways, for example, as 1350244 + 5645376 = 1162^2 + 2376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6995620.

It is not an unprimeable number, because it can be changed into a prime (6995623) 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, 576 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (617925).

Almost surely, 2^6995620 is an apocalyptic number.

It is an amenable number.

6995620 is an abundant number, since it is smaller than the sum of its proper divisors (7834580).

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

6995620 is a wasteful number, since it uses less digits than its factorization.

6995620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3325 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 6995620 is about 2644.9234393456. The cubic root of 6995620 is about 191.2532116737.

The spelling of 6995620 in words is "six million, nine hundred ninety-five thousand, six hundred twenty".