68082040 has 32 divisors (see below), whose sum is σ = 164969280. Its totient is φ = 25137792.

The previous prime is 68082031. The next prime is 68082041. The reversal of 68082040 is 4028086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68082041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64944 + ... + 65983.

It is an arithmetic number, because the mean of its divisors is an integer number (5155290).

Almost surely, 2^68082040 is an apocalyptic number.

It is an amenable number.

68082040 is an abundant number, since it is smaller than the sum of its proper divisors (96887240).

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

68082040 is a wasteful number, since it uses less digits than its factorization.

68082040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130951 (or 130947 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 68082040 is about 8251.1841574407. The cubic root of 68082040 is about 408.3295907843.

The spelling of 68082040 in words is "sixty-eight million, eighty-two thousand, forty".