68988296 has 16 divisors (see below), whose sum is σ = 139303500. Its totient is φ = 31840704.

The previous prime is 68988253. The next prime is 68988317. The reversal of 68988296 is 69288986.

It can be written as a sum of positive squares in 2 ways, for example, as 68724100 + 264196 = 8290^2 + 514^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 331571 + ... + 331778.

Almost surely, 2^68988296 is an apocalyptic number.

It is an amenable number.

68988296 is an abundant number, since it is smaller than the sum of its proper divisors (70315204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68988296 is a wasteful number, since it uses less digits than its factorization.

68988296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663368 (or 663364 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The square root of 68988296 is about 8305.9193350285. The cubic root of 68988296 is about 410.1334009692.

The spelling of 68988296 in words is "sixty-eight million, nine hundred eighty-eight thousand, two hundred ninety-six".