68898208 has 12 divisors (see below), whose sum is σ = 135643410. Its totient is φ = 34449088.

The previous prime is 68898173. The next prime is 68898209. The reversal of 68898208 is 80289886.

It can be written as a sum of positive squares in only one way, i.e., 40297104 + 28601104 = 6348^2 + 5348^2 .

It is a super-2 number, since 2×68898208² = 9493926131222528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68898209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076503 + ... + 1076566.

Almost surely, 2^68898208 is an apocalyptic number.

It is an amenable number.

68898208 is a deficient number, since it is larger than the sum of its proper divisors (66745202).

68898208 is a wasteful number, since it uses less digits than its factorization.

68898208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153079 (or 2153071 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 68898208 is about 8300.4944431040. The cubic root of 68898208 is about 409.9547996968.

The spelling of 68898208 in words is "sixty-eight million, eight hundred ninety-eight thousand, two hundred eight".