68632732 has 36 divisors (see below), whose sum is σ = 141140664. Its totient is φ = 29114400.

The previous prime is 68632727. The next prime is 68632771. The reversal of 68632732 is 23723686.

It is a junction number, because it is equal to n+sod(n) for n = 68632691 and 68632700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18063 + ... + 21529.

It is an arithmetic number, because the mean of its divisors is an integer number (3920574).

Almost surely, 2^68632732 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 68632732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70570332).

68632732 is an abundant number, since it is smaller than the sum of its proper divisors (72507932).

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

68632732 is a wasteful number, since it uses less digits than its factorization.

68632732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3577 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 68632732 is about 8284.4874313382. The cubic root of 68632732 is about 409.4275811256.

The spelling of 68632732 in words is "sixty-eight million, six hundred thirty-two thousand, seven hundred thirty-two".