1066767733 has 4 divisors (see below), whose sum is σ = 1068508588. Its totient is φ = 1065026880.

The previous prime is 1066767727. The next prime is 1066767773. The reversal of 1066767733 is 3377676601.

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 10387729 + 1056380004 = 3223^2 + 32502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066767733 - 2⁵ = 1066767701 is a prime.

It is a super-2 number, since 2×1066767733² = 2275986792339918578, 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 (1066767773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869508 + ... + 870733.

It is an arithmetic number, because the mean of its divisors is an integer number (267127147).

Almost surely, 2^1066767733 is an apocalyptic number.

It is an amenable number.

1066767733 is a deficient number, since it is larger than the sum of its proper divisors (1740855).

1066767733 is an equidigital number, since it uses as much as digits as its factorization.

1066767733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740854.

The product of its (nonzero) digits is 666792, while the sum is 46.

The square root of 1066767733 is about 32661.4104563780. The cubic root of 1066767733 is about 1021.7781788742.

It can be divided in two parts, 10667 and 67733, that added together give a square (78400 = 280²).

The spelling of 1066767733 in words is "one billion, sixty-six million, seven hundred sixty-seven thousand, seven hundred thirty-three".