68698556 has 12 divisors (see below), whose sum is σ = 120569400. Its totient is φ = 34250160.

The previous prime is 68698541. The next prime is 68698559. The reversal of 68698556 is 65589686.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68698498 and 68698507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68698559) 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, 23210 + ... + 26001.

It is an arithmetic number, because the mean of its divisors is an integer number (10047450).

Almost surely, 2^68698556 is an apocalyptic number.

It is an amenable number.

68698556 is a deficient number, since it is larger than the sum of its proper divisors (51870844).

68698556 is a wasteful number, since it uses less digits than its factorization.

68698556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49564 (or 49562 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The square root of 68698556 is about 8288.4592054253. The cubic root of 68698556 is about 409.5584300133.

The spelling of 68698556 in words is "sixty-eight million, six hundred ninety-eight thousand, five hundred fifty-six".