68696560 has 20 divisors (see below), whose sum is σ = 159719688. Its totient is φ = 27478592.

The previous prime is 68696549. The next prime is 68696569. The reversal of 68696560 is 6569686.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 68696560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68696569) 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 in 3 ways as a sum of consecutive naturals, for example, 429274 + ... + 429433.

Almost surely, 2^68696560 is an apocalyptic number.

It is an amenable number.

68696560 is an abundant number, since it is smaller than the sum of its proper divisors (91023128).

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

68696560 is a wasteful number, since it uses less digits than its factorization.

68696560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858720 (or 858714 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 68696560 is about 8288.3387961642. The cubic root of 68696560 is about 409.5544634741.

The spelling of 68696560 in words is "sixty-eight million, six hundred ninety-six thousand, five hundred sixty".