1068701481 has 27 divisors (see below), whose sum is σ = 1642388293. Its totient is φ = 669511680.

The previous prime is 1068701467. The next prime is 1068701483. The reversal of 1068701481 is 1841078601.

The square root of 1068701481 is 32691.

It is a perfect power (a square), and thus also a powerful number.

1068701481 is a `hidden beast` number, since 106 + 8 + 70 + 1 + 481 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 510986025 + 557715456 = 22605^2 + 23616^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1068701481 is a prime.

It is a super-2 number, since 2×1068701481² = 2284245710983186722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1068701483) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1666921 + ... + 1667561.

Almost surely, 2^1068701481 is an apocalyptic number.

1068701481 is the 32691-st square number.

1068701481 is the 16346-th centered octagonal number.

It is an amenable number.

1068701481 is a deficient number, since it is larger than the sum of its proper divisors (573686812).

1068701481 is an frugal number, since it uses more digits than its factorization.

1068701481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The cubic root of 1068701481 is about 1022.3952044168.

Multiplying 1068701481 by its sum of digits (36), we get a square (38473253316 = 196146²).

The spelling of 1068701481 in words is "one billion, sixty-eight million, seven hundred one thousand, four hundred eighty-one".