68844700 has 18 divisors (see below), whose sum is σ = 149393216. Its totient is φ = 27537840.

The previous prime is 68844697. The next prime is 68844701. The reversal of 68844700 is 744886.

It is a self number, because there is not a number n which added to its sum of digits gives 68844700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68844701) 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, 344124 + ... + 344323.

Almost surely, 2^68844700 is an apocalyptic number.

It is an amenable number.

68844700 is an abundant number, since it is smaller than the sum of its proper divisors (80548516).

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

68844700 is a wasteful number, since it uses less digits than its factorization.

68844700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688461 (or 688454 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 68844700 is about 8297.2706355765. The cubic root of 68844700 is about 409.8486453030.

The spelling of 68844700 in words is "sixty-eight million, eight hundred forty-four thousand, seven hundred".