67975982 has 4 divisors (see below), whose sum is σ = 101963976. Its totient is φ = 33987990.

The previous prime is 67975981. The next prime is 67976003. The reversal of 67975982 is 28957976.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67975981) 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 as a sum of consecutive naturals, namely, 16993994 + ... + 16993997.

It is an arithmetic number, because the mean of its divisors is an integer number (25490994).

Almost surely, 2^67975982 is an apocalyptic number.

67975982 is a deficient number, since it is larger than the sum of its proper divisors (33987994).

67975982 is a wasteful number, since it uses less digits than its factorization.

67975982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33987993.

The product of its digits is 1905120, while the sum is 53.

The square root of 67975982 is about 8244.7548174582. The cubic root of 67975982 is about 408.1174490464.

The spelling of 67975982 in words is "sixty-seven million, nine hundred seventy-five thousand, nine hundred eighty-two".