68253812 has 24 divisors (see below), whose sum is σ = 131178432. Its totient is φ = 30816000.

The previous prime is 68253797. The next prime is 68253841. The reversal of 68253812 is 21835286.

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 7 ways as a sum of consecutive naturals, for example, 1508 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (5465768).

Almost surely, 2^68253812 is an apocalyptic number.

It is an amenable number.

68253812 is a deficient number, since it is larger than the sum of its proper divisors (62924620).

68253812 is a wasteful number, since it uses less digits than its factorization.

68253812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10439 (or 10437 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 68253812 is about 8261.5865304432. The cubic root of 68253812 is about 408.6727095925.

The spelling of 68253812 in words is "sixty-eight million, two hundred fifty-three thousand, eight hundred twelve".