68628532 has 24 divisors (see below), whose sum is σ = 144482240. Its totient is φ = 27864000.

The previous prime is 68628517. The next prime is 68628563. The reversal of 68628532 is 23582686.

It is a congruent number.

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, 63969 + ... + 65032.

Almost surely, 2^68628532 is an apocalyptic number.

It is an amenable number.

68628532 is an abundant number, since it is smaller than the sum of its proper divisors (75853708).

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

68628532 is a wasteful number, since it uses less digits than its factorization.

68628532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129031 (or 129029 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 68628532 is about 8284.2339416509. The cubic root of 68628532 is about 409.4192292752.

The spelling of 68628532 in words is "sixty-eight million, six hundred twenty-eight thousand, five hundred thirty-two".