6945620 has 48 divisors (see below), whose sum is σ = 16099776. Its totient is φ = 2496000.

The previous prime is 6945611. The next prime is 6945623. The reversal of 6945620 is 265496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28700 + ... + 28940.

It is an arithmetic number, because the mean of its divisors is an integer number (335412).

Almost surely, 2^6945620 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 6945620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8049888).

6945620 is an abundant number, since it is smaller than the sum of its proper divisors (9154156).

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

6945620 is a wasteful number, since it uses less digits than its factorization.

6945620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6945620 is about 2635.4544200194. The cubic root of 6945620 is about 190.7964718863.

The spelling of 6945620 in words is "six million, nine hundred forty-five thousand, six hundred twenty".