68465744 has 20 divisors (see below), whose sum is σ = 132875796. Its totient is φ = 34175232.

The previous prime is 68465741. The next prime is 68465753. The reversal of 68465744 is 44756486.

It can be written as a sum of positive squares in 2 ways, for example, as 19465744 + 49000000 = 4412^2 + 7000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68465695 and 68465704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68465741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172 + ... + 13724.

Almost surely, 2^68465744 is an apocalyptic number.

It is an amenable number.

68465744 is a deficient number, since it is larger than the sum of its proper divisors (64410052).

68465744 is a wasteful number, since it uses less digits than its factorization.

68465744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214 (or 7208 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 68465744 is about 8274.4029391854. The cubic root of 68465744 is about 409.0952566152.

The spelling of 68465744 in words is "sixty-eight million, four hundred sixty-five thousand, seven hundred forty-four".