68628284 has 6 divisors (see below), whose sum is σ = 120099504. Its totient is φ = 34314140.

The previous prime is 68628271. The next prime is 68628347. The reversal of 68628284 is 48282686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8578532 + ... + 8578539.

It is an arithmetic number, because the mean of its divisors is an integer number (20016584).

Almost surely, 2^68628284 is an apocalyptic number.

It is an amenable number.

68628284 is a deficient number, since it is larger than the sum of its proper divisors (51471220).

68628284 is a wasteful number, since it uses less digits than its factorization.

68628284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157075 (or 17157073 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The square root of 68628284 is about 8284.2189734458. The cubic root of 68628284 is about 409.4187361077.

The spelling of 68628284 in words is "sixty-eight million, six hundred twenty-eight thousand, two hundred eighty-four".