68695656 has 32 divisors (see below), whose sum is σ = 172004640. Its totient is φ = 22863168.

The previous prime is 68695651. The next prime is 68695661. The reversal of 68695656 is 65659686.

It is an interprime number because it is at equal distance from previous prime (68695651) and next prime (68695661).

It is a junction number, because it is equal to n+sod(n) for n = 68695599 and 68695608.

It is not an unprimeable number, because it can be changed into a prime (68695651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17070 + ... + 20706.

It is an arithmetic number, because the mean of its divisors is an integer number (5375145).

Almost surely, 2^68695656 is an apocalyptic number.

It is an amenable number.

68695656 is an abundant number, since it is smaller than the sum of its proper divisors (103308984).

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

68695656 is a wasteful number, since it uses less digits than its factorization.

68695656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4429 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The square root of 68695656 is about 8288.2842615345. The cubic root of 68695656 is about 409.5526669802.

The spelling of 68695656 in words is "sixty-eight million, six hundred ninety-five thousand, six hundred fifty-six".