68730850 has 12 divisors (see below), whose sum is σ = 127839474. Its totient is φ = 27492320.

The previous prime is 68730829. The next prime is 68730859. The reversal of 68730850 is 5803786.

It can be written as a sum of positive squares in 3 ways, for example, as 43520409 + 25210441 = 6597^2 + 5021^2 .

It is not an unprimeable number, because it can be changed into a prime (68730859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687259 + ... + 687358.

Almost surely, 2^68730850 is an apocalyptic number.

68730850 is a deficient number, since it is larger than the sum of its proper divisors (59108624).

68730850 is a wasteful number, since it uses less digits than its factorization.

68730850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374629 (or 1374624 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68730850 is about 8290.4071070123. The cubic root of 68730850 is about 409.6225953989.

The spelling of 68730850 in words is "sixty-eight million, seven hundred thirty thousand, eight hundred fifty".