68393624 has 24 divisors (see below), whose sum is σ = 138864060. Its totient is φ = 31565664.

The previous prime is 68393623. The next prime is 68393639. The reversal of 68393624 is 42639386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68393621) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 23942 + ... + 26645.

Almost surely, 2^68393624 is an apocalyptic number.

It is an amenable number.

68393624 is an abundant number, since it is smaller than the sum of its proper divisors (70470436).

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

68393624 is a wasteful number, since it uses less digits than its factorization.

68393624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50619 (or 50602 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 68393624 is about 8270.0437725565. The cubic root of 68393624 is about 408.9515627823.

The spelling of 68393624 in words is "sixty-eight million, three hundred ninety-three thousand, six hundred twenty-four".