68681832 has 16 divisors (see below), whose sum is σ = 171704640. Its totient is φ = 22893936.

The previous prime is 68681813. The next prime is 68681839. The reversal of 68681832 is 23818686.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (68681839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430848 + ... + 1430895.

It is an arithmetic number, because the mean of its divisors is an integer number (10731540).

Almost surely, 2^68681832 is an apocalyptic number.

It is an amenable number.

68681832 is an abundant number, since it is smaller than the sum of its proper divisors (103022808).

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

68681832 is a wasteful number, since it uses less digits than its factorization.

68681832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861752 (or 2861748 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 68681832 is about 8287.4502713440. The cubic root of 68681832 is about 409.5251929679.

The spelling of 68681832 in words is "sixty-eight million, six hundred eighty-one thousand, eight hundred thirty-two".