68768132 has 6 divisors (see below), whose sum is σ = 120344238. Its totient is φ = 34384064.

The previous prime is 68768131. The next prime is 68768143. The reversal of 68768132 is 23186786.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38142976 + 30625156 = 6176^2 + 5534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68768132.

It is not an unprimeable number, because it can be changed into a prime (68768131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8596013 + ... + 8596020.

It is an arithmetic number, because the mean of its divisors is an integer number (20057373).

Almost surely, 2^68768132 is an apocalyptic number.

It is an amenable number.

68768132 is a deficient number, since it is larger than the sum of its proper divisors (51576106).

68768132 is a wasteful number, since it uses less digits than its factorization.

68768132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17192037 (or 17192035 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 68768132 is about 8292.6553045451. The cubic root of 68768132 is about 409.6966465184.

The spelling of 68768132 in words is "sixty-eight million, seven hundred sixty-eight thousand, one hundred thirty-two".