68840910 has 24 divisors (see below), whose sum is σ = 178986600. Its totient is φ = 18357552.

The previous prime is 68840897. The next prime is 68840917. The reversal of 68840910 is 1904886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68840917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382360 + ... + 382539.

It is an arithmetic number, because the mean of its divisors is an integer number (7457775).

Almost surely, 2^68840910 is an apocalyptic number.

68840910 is an abundant number, since it is smaller than the sum of its proper divisors (110145690).

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

68840910 is a wasteful number, since it uses less digits than its factorization.

68840910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764912 (or 764909 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 68840910 is about 8297.0422440771. The cubic root of 68840910 is about 409.8411242454.

The spelling of 68840910 in words is "sixty-eight million, eight hundred forty thousand, nine hundred ten".