1068400705 has 8 divisors (see below), whose sum is σ = 1284217704. Its totient is φ = 853296000.

The previous prime is 1068400699. The next prime is 1068400727. The reversal of 1068400705 is 5070048601.

It can be written as a sum of positive squares in 4 ways, for example, as 157326849 + 911073856 = 12543^2 + 30184^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1068400705 - 2²³ = 1060012097 is a prime.

It is a super-2 number, since 2×1068400705² = 2282960132888994050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174766 + ... + 180775.

It is an arithmetic number, because the mean of its divisors is an integer number (160527213).

Almost surely, 2^1068400705 is an apocalyptic number.

It is an amenable number.

1068400705 is a deficient number, since it is larger than the sum of its proper divisors (215816999).

1068400705 is an equidigital number, since it uses as much as digits as its factorization.

1068400705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356147.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1068400705 is about 32686.3993887366. The cubic root of 1068400705 is about 1022.2992809063.

The spelling of 1068400705 in words is "one billion, sixty-eight million, four hundred thousand, seven hundred five".