68519750 has 64 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 24393600.

The previous prime is 68519743. The next prime is 68519753. The reversal of 68519750 is 5791586.

It is a super-2 number, since 2×68519750² = 9389912280125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68519698 and 68519707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68519753) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 93887 + ... + 94613.

It is an arithmetic number, because the mean of its divisors is an integer number (2235870).

Almost surely, 2^68519750 is an apocalyptic number.

68519750 is an abundant number, since it is smaller than the sum of its proper divisors (74575930).

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

68519750 is a wasteful number, since it uses less digits than its factorization.

68519750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 68519750 is about 8277.6657337682. The cubic root of 68519750 is about 409.2027935649.

The spelling of 68519750 in words is "sixty-eight million, five hundred nineteen thousand, seven hundred fifty".