68255724 has 12 divisors (see below), whose sum is σ = 159263384. Its totient is φ = 22751904.

The previous prime is 68255701. The next prime is 68255741. The reversal of 68255724 is 42755286.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2843977 + ... + 2844000.

Almost surely, 2^68255724 is an apocalyptic number.

It is an amenable number.

68255724 is an abundant number, since it is smaller than the sum of its proper divisors (91007660).

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

68255724 is a wasteful number, since it uses less digits than its factorization.

68255724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687984 (or 5687982 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 68255724 is about 8261.7022459055. The cubic root of 68255724 is about 408.6765256183.

The spelling of 68255724 in words is "sixty-eight million, two hundred fifty-five thousand, seven hundred twenty-four".