68815832 has 8 divisors (see below), whose sum is σ = 129029700. Its totient is φ = 34407912.

The previous prime is 68815807. The next prime is 68815841. The reversal of 68815832 is 23851886.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 68815832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4300982 + ... + 4300997.

Almost surely, 2^68815832 is an apocalyptic number.

It is an amenable number.

68815832 is a deficient number, since it is larger than the sum of its proper divisors (60213868).

68815832 is a wasteful number, since it uses less digits than its factorization.

68815832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601985 (or 8601981 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 68815832 is about 8295.5308449791. The cubic root of 68815832 is about 409.7913513026.

The spelling of 68815832 in words is "sixty-eight million, eight hundred fifteen thousand, eight hundred thirty-two".