68042620 has 12 divisors (see below), whose sum is σ = 142889544. Its totient is φ = 27217040.

The previous prime is 68042617. The next prime is 68042651. The reversal of 68042620 is 2624086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701046 + ... + 1701085.

It is an arithmetic number, because the mean of its divisors is an integer number (11907462).

Almost surely, 2^68042620 is an apocalyptic number.

It is an amenable number.

68042620 is an abundant number, since it is smaller than the sum of its proper divisors (74846924).

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

68042620 is a wasteful number, since it uses less digits than its factorization.

68042620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402140 (or 3402138 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68042620 is about 8248.7950635229. The cubic root of 68042620 is about 408.2507669609.

The spelling of 68042620 in words is "sixty-eight million, forty-two thousand, six hundred twenty".