68065624 has 16 divisors (see below), whose sum is σ = 139225320. Its totient is φ = 30938880.

The previous prime is 68065609. The next prime is 68065643. The reversal of 68065624 is 42656086.

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 3 ways as a sum of consecutive naturals, for example, 386649 + ... + 386824.

Almost surely, 2^68065624 is an apocalyptic number.

It is an amenable number.

68065624 is an abundant number, since it is smaller than the sum of its proper divisors (71159696).

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

68065624 is a wasteful number, since it uses less digits than its factorization.

68065624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773490 (or 773486 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 68065624 is about 8250.1893311608. The cubic root of 68065624 is about 408.2967692189.

The spelling of 68065624 in words is "sixty-eight million, sixty-five thousand, six hundred twenty-four".