68268808 has 8 divisors (see below), whose sum is σ = 128004030. Its totient is φ = 34134400.

The previous prime is 68268799. The next prime is 68268847. The reversal of 68268808 is 80886286.

It can be written as a sum of positive squares in only one way, i.e., 67272804 + 996004 = 8202^2 + 998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266793 + ... + 4266808.

Almost surely, 2^68268808 is an apocalyptic number.

It is an amenable number.

68268808 is a deficient number, since it is larger than the sum of its proper divisors (59735222).

68268808 is a wasteful number, since it uses less digits than its factorization.

68268808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533607 (or 8533603 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 68268808 is about 8262.4940544608. The cubic root of 68268808 is about 408.7026371380.

The spelling of 68268808 in words is "sixty-eight million, two hundred sixty-eight thousand, eight hundred eight".