68707744 has 48 divisors (see below), whose sum is σ = 163695168. Its totient is φ = 27712512.

The previous prime is 68707703. The next prime is 68707747. The reversal of 68707744 is 44770786.

It is a self number, because there is not a number n which added to its sum of digits gives 68707744.

It is not an unprimeable number, because it can be changed into a prime (68707747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5214 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (3410316).

Almost surely, 2^68707744 is an apocalyptic number.

It is an amenable number.

68707744 is an abundant number, since it is smaller than the sum of its proper divisors (94987424).

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

68707744 is a wasteful number, since it uses less digits than its factorization.

68707744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18077 (or 18069 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 68707744 is about 8289.0134515514. The cubic root of 68707744 is about 409.5766878212.

The spelling of 68707744 in words is "sixty-eight million, seven hundred seven thousand, seven hundred forty-four".