68252388 has 12 divisors (see below), whose sum is σ = 159255600. Its totient is φ = 22750792.

The previous prime is 68252377. The next prime is 68252417. The reversal of 68252388 is 88325286.

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

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, 2843838 + ... + 2843861.

It is an arithmetic number, because the mean of its divisors is an integer number (13271300).

Almost surely, 2^68252388 is an apocalyptic number.

It is an amenable number.

68252388 is an abundant number, since it is smaller than the sum of its proper divisors (91003212).

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

68252388 is a wasteful number, since it uses less digits than its factorization.

68252388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687706 (or 5687704 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 68252388 is about 8261.5003479998. The cubic root of 68252388 is about 408.6698674851.

The spelling of 68252388 in words is "sixty-eight million, two hundred fifty-two thousand, three hundred eighty-eight".