68459344 has 10 divisors (see below), whose sum is σ = 132640010. Its totient is φ = 34229664.

The previous prime is 68459333. The next prime is 68459351. The reversal of 68459344 is 44395486.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 2849344 = 8100^2 + 1688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68459344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139339 + ... + 2139370.

It is an arithmetic number, because the mean of its divisors is an integer number (13264001).

Almost surely, 2^68459344 is an apocalyptic number.

It is an amenable number.

68459344 is a deficient number, since it is larger than the sum of its proper divisors (64180666).

68459344 is a wasteful number, since it uses less digits than its factorization.

68459344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278717 (or 4278711 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 68459344 is about 8274.0161952948. The cubic root of 68459344 is about 409.0825091639.

The spelling of 68459344 in words is "sixty-eight million, four hundred fifty-nine thousand, three hundred forty-four".