68175632 has 40 divisors (see below), whose sum is σ = 152180736. Its totient is φ = 28982016.

The previous prime is 68175631. The next prime is 68175643. The reversal of 68175632 is 23657186.

It is not an unprimeable number, because it can be changed into a prime (68175631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11828 + ... + 16620.

Almost surely, 2^68175632 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 68175632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76090368).

68175632 is an abundant number, since it is smaller than the sum of its proper divisors (84005104).

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

68175632 is a wasteful number, since it uses less digits than its factorization.

68175632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935 (or 4929 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 68175632 is about 8256.8536380391. The cubic root of 68175632 is about 408.5166145793.

The spelling of 68175632 in words is "sixty-eight million, one hundred seventy-five thousand, six hundred thirty-two".