7066530 has 24 divisors (see below), whose sum is σ = 18373212. Its totient is φ = 1884384.

The previous prime is 7066523. The next prime is 7066541. The reversal of 7066530 is 356607.

7066530 is a `hidden beast` number, since 7 + 0 + 6 + 653 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 363609 = 2589^2 + 603^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7066494 and 7066503.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 39169 + ... + 39348.

Almost surely, 2^7066530 is an apocalyptic number.

7066530 is an abundant number, since it is smaller than the sum of its proper divisors (11306682).

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

7066530 is a wasteful number, since it uses less digits than its factorization.

7066530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78530 (or 78527 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 7066530 is about 2658.2945660705. The cubic root of 7066530 is about 191.8972431923.

The spelling of 7066530 in words is "seven million, sixty-six thousand, five hundred thirty".