1068409684 has 12 divisors (see below), whose sum is σ = 1870187508. Its totient is φ = 534070400.

The previous prime is 1068409679. The next prime is 1068409703. The reversal of 1068409684 is 4869048601.

It can be written as a sum of positive squares in 2 ways, for example, as 946792900 + 121616784 = 30770^2 + 11028^2 .

It is a super-2 number, since 2×1068409684² = 2282998505729959712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14527 + ... + 48454.

It is an arithmetic number, because the mean of its divisors is an integer number (155848959).

Almost surely, 2^1068409684 is an apocalyptic number.

It is an amenable number.

1068409684 is a deficient number, since it is larger than the sum of its proper divisors (801777824).

1068409684 is a wasteful number, since it uses less digits than its factorization.

1068409684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67226 (or 67224 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 1068409684 is about 32686.5367391530. The cubic root of 1068409684 is about 1022.3021447505.

The spelling of 1068409684 in words is "one billion, sixty-eight million, four hundred nine thousand, six hundred eighty-four".