68669896 has 16 divisors (see below), whose sum is σ = 130867740. Its totient is φ = 33771840.

The previous prime is 68669893. The next prime is 68669897. The reversal of 68669896 is 69896686.

It can be written as a sum of positive squares in 2 ways, for example, as 68657796 + 12100 = 8286^2 + 110^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68669896.

It is not an unprimeable number, because it can be changed into a prime (68669893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69871 + ... + 70846.

Almost surely, 2^68669896 is an apocalyptic number.

It is an amenable number.

68669896 is a deficient number, since it is larger than the sum of its proper divisors (62197844).

68669896 is a wasteful number, since it uses less digits than its factorization.

68669896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140784 (or 140780 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 68669896 is about 8286.7301150695. The cubic root of 68669896 is about 409.5014682276.

The spelling of 68669896 in words is "sixty-eight million, six hundred sixty-nine thousand, eight hundred ninety-six".