7066006427 has 2 divisors, whose sum is σ = 7066006428. Its totient is φ = 7066006426.

The previous prime is 7066006411. The next prime is 7066006447. The reversal of 7066006427 is 7246006607.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7066006427 - 2⁴ = 7066006411 is a prime.

It is not a weakly prime, because it can be changed into another prime (7066006447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533003213 + 3533003214.

It is an arithmetic number, because the mean of its divisors is an integer number (3533003214).

Almost surely, 2^7066006427 is an apocalyptic number.

7066006427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7066006427 is an equidigital number, since it uses as much as digits as its factorization.

7066006427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 7066006427 is about 84059.5409635337. The cubic root of 7066006427 is about 1918.9250372815.

The spelling of 7066006427 in words is "seven billion, sixty-six million, six thousand, four hundred twenty-seven".