68037982 has 4 divisors (see below), whose sum is σ = 102056976. Its totient is φ = 34018990.

The previous prime is 68037947. The next prime is 68038001. The reversal of 68037982 is 28973086.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17009494 + ... + 17009497.

It is an arithmetic number, because the mean of its divisors is an integer number (25514244).

Almost surely, 2^68037982 is an apocalyptic number.

68037982 is a deficient number, since it is larger than the sum of its proper divisors (34018994).

68037982 is a wasteful number, since it uses less digits than its factorization.

68037982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018993.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 68037982 is about 8248.5139267628. The cubic root of 68037982 is about 408.2414908627.

The spelling of 68037982 in words is "sixty-eight million, thirty-seven thousand, nine hundred eighty-two".