1068631873 has 4 divisors (see below), whose sum is σ = 1068837588. Its totient is φ = 1068426160.

The previous prime is 1068631871. The next prime is 1068631909. The reversal of 1068631873 is 3781368601.

1068631873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 591121969 + 477509904 = 24313^2 + 21852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068631873 - 2¹ = 1068631871 is a prime.

It is a super-2 number, since 2×1068631873² = 2283948159982976258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068631871) 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, 94858 + ... + 105523.

It is an arithmetic number, because the mean of its divisors is an integer number (267209397).

Almost surely, 2^1068631873 is an apocalyptic number.

It is an amenable number.

1068631873 is a deficient number, since it is larger than the sum of its proper divisors (205715).

1068631873 is an equidigital number, since it uses as much as digits as its factorization.

1068631873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205714.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1068631873 is about 32689.9353471370. The cubic root of 1068631873 is about 1022.3730066277.

The spelling of 1068631873 in words is "one billion, sixty-eight million, six hundred thirty-one thousand, eight hundred seventy-three".