68928620 has 24 divisors (see below), whose sum is σ = 147483504. Its totient is φ = 27050816.

The previous prime is 68928611. The next prime is 68928641. The reversal of 68928620 is 2682986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31454 + ... + 33573.

It is an arithmetic number, because the mean of its divisors is an integer number (6145146).

Almost surely, 2^68928620 is an apocalyptic number.

It is an amenable number.

68928620 is an abundant number, since it is smaller than the sum of its proper divisors (78554884).

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

68928620 is a wasteful number, since it uses less digits than its factorization.

68928620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65089 (or 65087 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 68928620 is about 8302.3261800534. The cubic root of 68928620 is about 410.0151094967.

The spelling of 68928620 in words is "sixty-eight million, nine hundred twenty-eight thousand, six hundred twenty".