68250735 has 32 divisors (see below), whose sum is σ = 138670080. Its totient is φ = 31199904.

The previous prime is 68250727. The next prime is 68250737. The reversal of 68250735 is 53705286.

It is not a de Polignac number, because 68250735 - 2³ = 68250727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68250735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68250737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35167 + ... + 37056.

It is an arithmetic number, because the mean of its divisors is an integer number (4333440).

Almost surely, 2^68250735 is an apocalyptic number.

68250735 is an abundant number, since it is smaller than the sum of its proper divisors (70419345).

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

68250735 is a wasteful number, since it uses less digits than its factorization.

68250735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72244 (or 72238 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 68250735 is about 8261.4003050330. The cubic root of 68250735 is about 408.6665682758. Note that the first 3 decimals are identical.

The spelling of 68250735 in words is "sixty-eight million, two hundred fifty thousand, seven hundred thirty-five".