68995900 has 18 divisors (see below), whose sum is σ = 149721320. Its totient is φ = 27598320.

The previous prime is 68995873. The next prime is 68995903. The reversal of 68995900 is 959986.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68995903) 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 5 ways as a sum of consecutive naturals, for example, 344880 + ... + 345079.

Almost surely, 2^68995900 is an apocalyptic number.

It is an amenable number.

68995900 is an abundant number, since it is smaller than the sum of its proper divisors (80725420).

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

68995900 is a wasteful number, since it uses less digits than its factorization.

68995900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689973 (or 689966 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 68995900 is about 8306.3770682530. The cubic root of 68995900 is about 410.1484689348.

The spelling of 68995900 in words is "sixty-eight million, nine hundred ninety-five thousand, nine hundred".