68807536 has 40 divisors (see below), whose sum is σ = 158989824. Its totient is φ = 28205760.

The previous prime is 68807503. The next prime is 68807539. The reversal of 68807536 is 63570886.

It is a junction number, because it is equal to n+sod(n) for n = 68807492 and 68807501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68807539) 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 7 ways as a sum of consecutive naturals, for example, 10780 + ... + 15931.

Almost surely, 2^68807536 is an apocalyptic number.

It is an amenable number.

68807536 is an abundant number, since it is smaller than the sum of its proper divisors (90182288).

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

68807536 is a wasteful number, since it uses less digits than its factorization.

68807536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26749 (or 26743 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 68807536 is about 8295.0308016306. The cubic root of 68807536 is about 409.7748833593.

The spelling of 68807536 in words is "sixty-eight million, eight hundred seven thousand, five hundred thirty-six".