68734208 has 18 divisors (see below), whose sum is σ = 137200434. Its totient is φ = 34366976.

The previous prime is 68734181. The next prime is 68734217. The reversal of 68734208 is 80243786.

It can be written as a sum of positive squares in only one way, i.e., 68690944 + 43264 = 8288^2 + 208^2 .

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, 133991 + ... + 134502.

Almost surely, 2^68734208 is an apocalyptic number.

It is an amenable number.

68734208 is a deficient number, since it is larger than the sum of its proper divisors (68466226).

68734208 is an equidigital number, since it uses as much as digits as its factorization.

68734208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268509 (or 268495 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 68734208 is about 8290.6096277656. The cubic root of 68734208 is about 409.6292663008.

The spelling of 68734208 in words is "sixty-eight million, seven hundred thirty-four thousand, two hundred eight".