1066727713 has 4 divisors (see below), whose sum is σ = 1129476420. Its totient is φ = 1003979008.

The previous prime is 1066727699. The next prime is 1066727719. The reversal of 1066727713 is 3177276601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 559937569 + 506790144 = 23663^2 + 22512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066727713 - 2²¹ = 1064630561 is a prime.

It is a super-2 number, since 2×1066727713² = 2275816027364420738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066727719) 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 3 ways as a sum of consecutive naturals, for example, 31374328 + ... + 31374361.

It is an arithmetic number, because the mean of its divisors is an integer number (282369105).

Almost surely, 2^1066727713 is an apocalyptic number.

It is an amenable number.

1066727713 is a deficient number, since it is larger than the sum of its proper divisors (62748707).

1066727713 is an equidigital number, since it uses as much as digits as its factorization.

1066727713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62748706.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 1066727713 is about 32660.7978010336. The cubic root of 1066727713 is about 1021.7654013117.

The spelling of 1066727713 in words is "one billion, sixty-six million, seven hundred twenty-seven thousand, seven hundred thirteen".