7066987 has 2 divisors, whose sum is σ = 7066988. Its totient is φ = 7066986.

The previous prime is 7066979. The next prime is 7067017. The reversal of 7066987 is 7896607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7066987 - 2³ = 7066979 is a prime.

It is not a weakly prime, because it can be changed into another prime (7066937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533493 + 3533494.

It is an arithmetic number, because the mean of its divisors is an integer number (3533494).

Almost surely, 2^7066987 is an apocalyptic number.

7066987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7066987 is an equidigital number, since it uses as much as digits as its factorization.

7066987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 7066987 is about 2658.3805220472. The cubic root of 7066987 is about 191.9013798360.

It can be divided in two parts, 70669 and 87, that added together give a square (70756 = 266²).

The spelling of 7066987 in words is "seven million, sixty-six thousand, nine hundred eighty-seven".