68343624 has 48 divisors (see below), whose sum is σ = 185690700. Its totient is φ = 22708224.

The previous prime is 68343619. The next prime is 68343631. The reversal of 68343624 is 42634386.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60559524 + 7784100 = 7782^2 + 2790^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 24072 + ... + 26760.

Almost surely, 2^68343624 is an apocalyptic number.

It is an amenable number.

68343624 is an abundant number, since it is smaller than the sum of its proper divisors (117347076).

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

68343624 is a wasteful number, since it uses less digits than its factorization.

68343624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3047 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 68343624 is about 8267.0202612550. The cubic root of 68343624 is about 408.8518821309.

The spelling of 68343624 in words is "sixty-eight million, three hundred forty-three thousand, six hundred twenty-four".