68269856 has 12 divisors (see below), whose sum is σ = 134406342. Its totient is φ = 34134912.

The previous prime is 68269823. The next prime is 68269891. The reversal of 68269856 is 65896286.

It can be written as a sum of positive squares in only one way, i.e., 48163600 + 20106256 = 6940^2 + 4484^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066685 + ... + 1066748.

Almost surely, 2^68269856 is an apocalyptic number.

It is an amenable number.

68269856 is a deficient number, since it is larger than the sum of its proper divisors (66136486).

68269856 is a wasteful number, since it uses less digits than its factorization.

68269856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133443 (or 2133435 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 68269856 is about 8262.5574733251. The cubic root of 68269856 is about 408.7047284697.

The spelling of 68269856 in words is "sixty-eight million, two hundred sixty-nine thousand, eight hundred fifty-six".