7066520 has 32 divisors (see below), whose sum is σ = 16593120. Its totient is φ = 2703360.

The previous prime is 7066487. The next prime is 7066523. The reversal of 7066520 is 256607.

It is a self number, because there is not a number n which added to its sum of digits gives 7066520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7066523) 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, 2921 + ... + 4760.

It is an arithmetic number, because the mean of its divisors is an integer number (518535).

Almost surely, 2^7066520 is an apocalyptic number.

It is an amenable number.

7066520 is an abundant number, since it is smaller than the sum of its proper divisors (9526600).

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

7066520 is a wasteful number, since it uses less digits than its factorization.

7066520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715 (or 7711 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 7066520 is about 2658.2926851647. The cubic root of 7066520 is about 191.8971526729.

The spelling of 7066520 in words is "seven million, sixty-six thousand, five hundred twenty".