68707750 has 16 divisors (see below), whose sum is σ = 128621376. Its totient is φ = 27483000.

The previous prime is 68707747. The next prime is 68707789. The reversal of 68707750 is 5770786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137166 + ... + 137665.

It is an arithmetic number, because the mean of its divisors is an integer number (8038836).

Almost surely, 2^68707750 is an apocalyptic number.

68707750 is a deficient number, since it is larger than the sum of its proper divisors (59913626).

68707750 is a wasteful number, since it uses less digits than its factorization.

68707750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274848 (or 274838 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 68707750 is about 8289.0138134762. The cubic root of 68707750 is about 409.5766997435.

The spelling of 68707750 in words is "sixty-eight million, seven hundred seven thousand, seven hundred fifty".