68502628 has 6 divisors (see below), whose sum is σ = 119879606. Its totient is φ = 34251312.

The previous prime is 68502607. The next prime is 68502631. The reversal of 68502628 is 82620586.

It can be written as a sum of positive squares in only one way, i.e., 66945124 + 1557504 = 8182^2 + 1248^2 .

It is a super-2 number, since 2×68502628² = 9385220085812768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8562825 + ... + 8562832.

Almost surely, 2^68502628 is an apocalyptic number.

It is an amenable number.

68502628 is a deficient number, since it is larger than the sum of its proper divisors (51376978).

68502628 is a wasteful number, since it uses less digits than its factorization.

68502628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17125661 (or 17125659 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 68502628 is about 8276.6314403868. The cubic root of 68502628 is about 409.1687062937.

The spelling of 68502628 in words is "sixty-eight million, five hundred two thousand, six hundred twenty-eight".