68217632 has 48 divisors (see below), whose sum is σ = 160175232. Its totient is φ = 27962880.

The previous prime is 68217613. The next prime is 68217641. The reversal of 68217632 is 23671286.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68217592 and 68217601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 11772.

It is an arithmetic number, because the mean of its divisors is an integer number (3336984).

Almost surely, 2^68217632 is an apocalyptic number.

It is an amenable number.

68217632 is an abundant number, since it is smaller than the sum of its proper divisors (91957600).

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

68217632 is a wasteful number, since it uses less digits than its factorization.

68217632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281 (or 13273 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 68217632 is about 8259.3965881292. The cubic root of 68217632 is about 408.6004870479.

The spelling of 68217632 in words is "sixty-eight million, two hundred seventeen thousand, six hundred thirty-two".