1068693732 has 36 divisors (see below), whose sum is σ = 2794575420. Its totient is φ = 343947072.

The previous prime is 1068693679. The next prime is 1068693739. The reversal of 1068693732 is 2373968601.

It can be written as a sum of positive squares in 2 ways, for example, as 842973156 + 225720576 = 29034^2 + 15024^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1068693732² = 2284212585632175648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068693739) 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 11 ways as a sum of consecutive naturals, for example, 510783 + ... + 512870.

It is an arithmetic number, because the mean of its divisors is an integer number (77627095).

Almost surely, 2^1068693732 is an apocalyptic number.

1068693732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1068693732 is an abundant number, since it is smaller than the sum of its proper divisors (1725881688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1068693732 is a wasteful number, since it uses less digits than its factorization.

1068693732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023692 (or 1023687 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1068693732 is about 32690.8814809268. The cubic root of 1068693732 is about 1022.3927333309.

The spelling of 1068693732 in words is "one billion, sixty-eight million, six hundred ninety-three thousand, seven hundred thirty-two".