68808632 has 32 divisors (see below), whose sum is σ = 133066800. Its totient is φ = 33341184.

The previous prime is 68808629. The next prime is 68808679. The reversal of 68808632 is 23680886.

It is a super-2 number, since 2×68808632² = 9469255675422848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68808632.

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, 33458 + ... + 35454.

Almost surely, 2^68808632 is an apocalyptic number.

It is an amenable number.

68808632 is a deficient number, since it is larger than the sum of its proper divisors (64258168).

68808632 is a wasteful number, since it uses less digits than its factorization.

68808632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 68808632 is about 8295.0968650161. The cubic root of 68808632 is about 409.7770590458. Note that the first 3 decimals are identical.

The spelling of 68808632 in words is "sixty-eight million, eight hundred eight thousand, six hundred thirty-two".