1066274047 has 4 divisors (see below), whose sum is σ = 1100670016. Its totient is φ = 1031878080.

The previous prime is 1066274021. The next prime is 1066274057. The reversal of 1066274047 is 7404726601.

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 1066274047 - 2¹⁵ = 1066241279 is a prime.

It is a super-2 number, since 2×1066274047² = 2273880686611516418, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1066273997 and 1066274015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066274057) 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, 17197938 + ... + 17197999.

It is an arithmetic number, because the mean of its divisors is an integer number (275167504).

Almost surely, 2^1066274047 is an apocalyptic number.

1066274047 is a deficient number, since it is larger than the sum of its proper divisors (34395969).

1066274047 is an equidigital number, since it uses as much as digits as its factorization.

1066274047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34395968.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 1066274047 is about 32653.8519473584. The cubic root of 1066274047 is about 1021.6205327430.

The spelling of 1066274047 in words is "one billion, sixty-six million, two hundred seventy-four thousand, forty-seven".