68672032 has 96 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 28062720.

The previous prime is 68672017. The next prime is 68672039. The reversal of 68672032 is 23027686.

It is not an unprimeable number, because it can be changed into a prime (68672039) 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 15 ways as a sum of consecutive naturals, for example, 196594 + ... + 196942.

It is an arithmetic number, because the mean of its divisors is an integer number (1697850).

Almost surely, 2^68672032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68672032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81496800).

68672032 is an abundant number, since it is smaller than the sum of its proper divisors (94321568).

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

68672032 is a wasteful number, since it uses less digits than its factorization.

68672032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 68672032 is about 8286.8589948182. The cubic root of 68672032 is about 409.5057140768.

The spelling of 68672032 in words is "sixty-eight million, six hundred seventy-two thousand, thirty-two".