68159250 has 48 divisors (see below), whose sum is σ = 184308696. Its totient is φ = 18175200.

The previous prime is 68159243. The next prime is 68159269. The reversal of 68159250 is 5295186.

It is a happy number.

68159250 is a `hidden beast` number, since 68 + 1 + 592 + 5 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17564481 + 50594769 = 4191^2 + 7113^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12897 + ... + 17396.

Almost surely, 2^68159250 is an apocalyptic number.

68159250 is an abundant number, since it is smaller than the sum of its proper divisors (116149446).

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

68159250 is a wasteful number, since it uses less digits than its factorization.

68159250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30316 (or 30303 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 68159250 is about 8255.8615540717. The cubic root of 68159250 is about 408.4838909844.

The spelling of 68159250 in words is "sixty-eight million, one hundred fifty-nine thousand, two hundred fifty".