68641850 has 24 divisors (see below), whose sum is σ = 128814300. Its totient is φ = 27211520.

The previous prime is 68641847. The next prime is 68641871. The reversal of 68641850 is 5814686.

It can be written as a sum of positive squares in 6 ways, for example, as 24910081 + 43731769 = 4991^2 + 6613^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425 + ... + 11724.

Almost surely, 2^68641850 is an apocalyptic number.

68641850 is a deficient number, since it is larger than the sum of its proper divisors (60172450).

68641850 is a wasteful number, since it uses less digits than its factorization.

68641850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12274 (or 12269 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 68641850 is about 8285.0377186830. The cubic root of 68641850 is about 409.4457114222.

The spelling of 68641850 in words is "sixty-eight million, six hundred forty-one thousand, eight hundred fifty".