66092047 has 4 divisors (see below), whose sum is σ = 75533776. Its totient is φ = 56650320.

The previous prime is 66092029. The next prime is 66092057. The reversal of 66092047 is 74029066.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66092047 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66092057) 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, 4720854 + ... + 4720867.

It is an arithmetic number, because the mean of its divisors is an integer number (18883444).

Almost surely, 2^66092047 is an apocalyptic number.

66092047 is a deficient number, since it is larger than the sum of its proper divisors (9441729).

66092047 is an equidigital number, since it uses as much as digits as its factorization.

66092047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441728.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 66092047 is about 8129.7015320367. The cubic root of 66092047 is about 404.3117855090.

The spelling of 66092047 in words is "sixty-six million, ninety-two thousand, forty-seven".