7066620 has 144 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 1653120.

The previous prime is 7066573. The next prime is 7066639. The reversal of 7066620 is 266607.

7066620 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85099 + ... + 85181.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

Almost surely, 2^7066620 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 7066620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12108096).

7066620 is an abundant number, since it is smaller than the sum of its proper divisors (17149572).

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

7066620 is a wasteful number, since it uses less digits than its factorization.

7066620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 7066620 is about 2658.3114941632. The cubic root of 7066620 is about 191.8980578627.

The spelling of 7066620 in words is "seven million, sixty-six thousand, six hundred twenty".