68812750 has 16 divisors (see below), whose sum is σ = 128817936. Its totient is φ = 27525000.

The previous prime is 68812741. The next prime is 68812759. The reversal of 68812750 is 5721886.

It is an interprime number because it is at equal distance from previous prime (68812741) and next prime (68812759).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68812759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137376 + ... + 137875.

It is an arithmetic number, because the mean of its divisors is an integer number (8051121).

Almost surely, 2^68812750 is an apocalyptic number.

68812750 is a deficient number, since it is larger than the sum of its proper divisors (60005186).

68812750 is a wasteful number, since it uses less digits than its factorization.

68812750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275268 (or 275258 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 68812750 is about 8295.3450802242. The cubic root of 68812750 is about 409.7852335447.

The spelling of 68812750 in words is "sixty-eight million, eight hundred twelve thousand, seven hundred fifty".