68655900 has 36 divisors (see below), whose sum is σ = 198645272. Its totient is φ = 18308160.

The previous prime is 68655893. The next prime is 68655901. The reversal of 68655900 is 955686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68655901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114127 + ... + 114726.

Almost surely, 2^68655900 is an apocalyptic number.

68655900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68655900 is an abundant number, since it is smaller than the sum of its proper divisors (129989372).

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

68655900 is a wasteful number, since it uses less digits than its factorization.

68655900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228870 (or 228863 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 68655900 is about 8285.8855893622. The cubic root of 68655900 is about 409.4736454003.

The spelling of 68655900 in words is "sixty-eight million, six hundred fifty-five thousand, nine hundred".