68284650 has 48 divisors (see below), whose sum is σ = 193541184. Its totient is φ = 15607680.

The previous prime is 68284649. The next prime is 68284669. The reversal of 68284650 is 5648286.

It is a super-3 number, since 3×68284650³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68284599 and 68284608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31467 + ... + 33566.

It is an arithmetic number, because the mean of its divisors is an integer number (4032108).

Almost surely, 2^68284650 is an apocalyptic number.

68284650 is an abundant number, since it is smaller than the sum of its proper divisors (125256534).

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

68284650 is a wasteful number, since it uses less digits than its factorization.

68284650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65055 (or 65050 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 68284650 is about 8263.4526682253. The cubic root of 68284650 is about 408.7342482871.

The spelling of 68284650 in words is "sixty-eight million, two hundred eighty-four thousand, six hundred fifty".