68782628 has 12 divisors (see below), whose sum is σ = 123169200. Its totient is φ = 33591432.

The previous prime is 68782607. The next prime is 68782639. The reversal of 68782628 is 82628786.

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, 199778 + ... + 200121.

It is an arithmetic number, because the mean of its divisors is an integer number (10264100).

Almost surely, 2^68782628 is an apocalyptic number.

It is an amenable number.

68782628 is a deficient number, since it is larger than the sum of its proper divisors (54386572).

68782628 is a wasteful number, since it uses less digits than its factorization.

68782628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399946 (or 399944 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 68782628 is about 8293.5292849305. The cubic root of 68782628 is about 409.7254318737.

The spelling of 68782628 in words is "sixty-eight million, seven hundred eighty-two thousand, six hundred twenty-eight".