68630308 has 24 divisors (see below), whose sum is σ = 121948344. Its totient is φ = 33792000.

The previous prime is 68630297. The next prime is 68630323. The reversal of 68630308 is 80303686.

It can be written as a sum of positive squares in 4 ways, for example, as 58339044 + 10291264 = 7638^2 + 3208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103498 + ... + 104158.

It is an arithmetic number, because the mean of its divisors is an integer number (5081181).

Almost surely, 2^68630308 is an apocalyptic number.

It is an amenable number.

68630308 is a deficient number, since it is larger than the sum of its proper divisors (53318036).

68630308 is a wasteful number, since it uses less digits than its factorization.

68630308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 68630308 is about 8284.3411325222. The cubic root of 68630308 is about 409.4227609564.

The spelling of 68630308 in words is "sixty-eight million, six hundred thirty thousand, three hundred eight".