66060047 has 4 divisors (see below), whose sum is σ = 66079440. Its totient is φ = 66040656.

The previous prime is 66060031. The next prime is 66060053. The reversal of 66060047 is 74006066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66060047 - 2⁴ = 66060031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66060647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (16519860).

Almost surely, 2^66060047 is an apocalyptic number.

66060047 is a deficient number, since it is larger than the sum of its proper divisors (19393).

66060047 is a wasteful number, since it uses less digits than its factorization.

66060047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19392.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 66060047 is about 8127.7332018220. The cubic root of 66060047 is about 404.2465226604.

The spelling of 66060047 in words is "sixty-six million, sixty thousand, forty-seven".