68332512 has 48 divisors (see below), whose sum is σ = 188818560. Its totient is φ = 21578112.

The previous prime is 68332499. The next prime is 68332513. The reversal of 68332512 is 21523386.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 68332512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68332513) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 16908 + ... + 20555.

It is an arithmetic number, because the mean of its divisors is an integer number (3933720).

Almost surely, 2^68332512 is an apocalyptic number.

It is an amenable number.

68332512 is an abundant number, since it is smaller than the sum of its proper divisors (120486048).

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

68332512 is a wasteful number, since it uses less digits than its factorization.

68332512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37495 (or 37487 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 68332512 is about 8266.3481659074. The cubic root of 68332512 is about 408.8297225004.

Adding to 68332512 its reverse (21523386), we get a palindrome (89855898).

The spelling of 68332512 in words is "sixty-eight million, three hundred thirty-two thousand, five hundred twelve".