1066750727 has 6 divisors (see below), whose sum is σ = 1240914168. Its totient is φ = 914357724.

The previous prime is 1066750721. The next prime is 1066750733. The reversal of 1066750727 is 7270576601.

It is an interprime number because it is at equal distance from previous prime (1066750721) and next prime (1066750733).

It is not a de Polignac number, because 1066750727 - 2¹⁸ = 1066488583 is a prime.

It is a super-2 number, since 2×1066750727² = 2275914227110057058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066750721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10885163 + ... + 10885260.

It is an arithmetic number, because the mean of its divisors is an integer number (206819028).

Almost surely, 2^1066750727 is an apocalyptic number.

1066750727 is a deficient number, since it is larger than the sum of its proper divisors (174163441).

1066750727 is an equidigital number, since it uses as much as digits as its factorization.

1066750727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21770437 (or 21770430 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 1066750727 is about 32661.1501175326. The cubic root of 1066750727 is about 1021.7727492473.

The spelling of 1066750727 in words is "one billion, sixty-six million, seven hundred fifty thousand, seven hundred twenty-seven".