68028650 has 24 divisors (see below), whose sum is σ = 128322144. Its totient is φ = 26826800.

The previous prime is 68028647. The next prime is 68028659. The reversal of 68028650 is 5682086.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68028650.

It is not an unprimeable number, because it can be changed into a prime (68028659) 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, 6032 + ... + 13131.

It is an arithmetic number, because the mean of its divisors is an integer number (5346756).

Almost surely, 2^68028650 is an apocalyptic number.

68028650 is a deficient number, since it is larger than the sum of its proper divisors (60293494).

68028650 is a wasteful number, since it uses less digits than its factorization.

68028650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19246 (or 19241 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 68028650 is about 8247.9482297114. The cubic root of 68028650 is about 408.2228253875. Note that the first 3 decimals are identical.

The spelling of 68028650 in words is "sixty-eight million, twenty-eight thousand, six hundred fifty".