68681950 has 12 divisors (see below), whose sum is σ = 127748520. Its totient is φ = 27472760.

The previous prime is 68681927. The next prime is 68681983. The reversal of 68681950 is 5918686.

It is a junction number, because it is equal to n+sod(n) for n = 68681897 and 68681906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686770 + ... + 686869.

It is an arithmetic number, because the mean of its divisors is an integer number (10645710).

Almost surely, 2^68681950 is an apocalyptic number.

68681950 is a deficient number, since it is larger than the sum of its proper divisors (59066570).

68681950 is a wasteful number, since it uses less digits than its factorization.

68681950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373651 (or 1373646 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 68681950 is about 8287.4573905390. The cubic root of 68681950 is about 409.5254274984.

The spelling of 68681950 in words is "sixty-eight million, six hundred eighty-one thousand, nine hundred fifty".