68785436 has 12 divisors (see below), whose sum is σ = 120453312. Its totient is φ = 34370208.

The previous prime is 68785427. The next prime is 68785447. The reversal of 68785436 is 63458786.

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 3 ways as a sum of consecutive naturals, for example, 2576 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (10037776).

Almost surely, 2^68785436 is an apocalyptic number.

It is an amenable number.

68785436 is a deficient number, since it is larger than the sum of its proper divisors (51667876).

68785436 is a wasteful number, since it uses less digits than its factorization.

68785436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260 (or 11258 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 68785436 is about 8293.6985718074. The cubic root of 68785436 is about 409.7310073772.

The spelling of 68785436 in words is "sixty-eight million, seven hundred eighty-five thousand, four hundred thirty-six".