68251982 has 8 divisors (see below), whose sum is σ = 103030536. Its totient is φ = 33908472.

The previous prime is 68251973. The next prime is 68251999. The reversal of 68251982 is 28915286.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 108368 + ... + 108995.

It is an arithmetic number, because the mean of its divisors is an integer number (12878817).

Almost surely, 2^68251982 is an apocalyptic number.

68251982 is a deficient number, since it is larger than the sum of its proper divisors (34778554).

68251982 is a wasteful number, since it uses less digits than its factorization.

68251982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217522.

The product of its digits is 69120, while the sum is 41.

The square root of 68251982 is about 8261.4757761553. The cubic root of 68251982 is about 408.6690571580.

The spelling of 68251982 in words is "sixty-eight million, two hundred fifty-one thousand, nine hundred eighty-two".